20156219325

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^2\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{229}}^1$

素因数の和:381

約数の個数: 216

約数和(自身を含む): 41273373960

約数和(自身を除く): 21117154635

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 53, 55, 61, 75, 99, 121, 159, 165, 183, 225, 229, 265, 275, 305, 363, 477, 495, 549, 583, 605, 671, 687, 795, 825, 915, 1089, 1145, 1325, 1525, 1749, 1815, 2013, 2061, 2385, 2475, 2519, 2745, 2915, 3025, 3233, 3355, 3435, 3975, 4575, 5247, 5445, 5725, 6039, 6413, 7381, 7557, 8745, 9075, 9699, 10065, 10305, 11925, 12137, 12595, 13725, 13969, 14575, 16165, 16775, 17175, 19239, 22143, 22671, 26235, 27225, 27709, 29097, 30195, 32065, 35563, 36411, 36905, 37785, 41907, 43725, 48495, 50325, 51525, 57717, 60685, 62975, 66429, 69845, 80825, 83127, 96195, 106689, 109233, 110715, 113355, 125721, 131175, 133507, 138545, 145485, 150975, 153659, 160325, 177815, 182055, 184525, 188925, 209535, 242475, 249381, 288585, 303425, 320067, 332145, 349225, 391193, 400521, 415635, 460977, 480975, 533445, 546165, 553575, 566775, 628605, 667535, 692725, 727425, 740357, 768295, 889075, 910275, 1047675, 1173579, 1201563, 1246905, 1382931, 1442925, 1468577, 1600335, 1660725, 1690249, 1955965, 2002605, 2078175, 2221071, 2304885, 2667225, 2730825, 3143025, 3337675, 3520737, 3701785, 3841475, 4405731, 5070747, 5867895, 6007815, 6234525, 6663213, 6914655, 7342885, 8001675, 8143927, 8451245, 9779825, 10013025, 11105355, 11524425, 13217193, 15212241, 17603685, 18508925, 22028655, 24431781, 25353735, 29339475, 30039075, 33316065, 34573275, 36714425, 40719635, 42256225, 55526775, 66085965, 73295343, 76061205, 88018425, 89583197, 110143275, 122158905, 126768675, 166580325, 203598175, 268749591, 330429825, 366476715, 380306025, 447915985, 610794525, 806248773, 1343747955, 1832383575, 2239579925, 4031243865, 6718739775, 20156219325]

約数ペア:

[(1, 20156219325), (3, 6718739775), (5, 4031243865), (9, 2239579925), (11, 1832383575), (15, 1343747955), (25, 806248773), (33, 610794525), (45, 447915985), (53, 380306025), (55, 366476715), (61, 330429825), (75, 268749591), (99, 203598175), (121, 166580325), (159, 126768675), (165, 122158905), (183, 110143275), (225, 89583197), (229, 88018425), (265, 76061205), (275, 73295343), (305, 66085965), (363, 55526775), (477, 42256225), (495, 40719635), (549, 36714425), (583, 34573275), (605, 33316065), (671, 30039075), (687, 29339475), (795, 25353735), (825, 24431781), (915, 22028655), (1089, 18508925), (1145, 17603685), (1325, 15212241), (1525, 13217193), (1749, 11524425), (1815, 11105355), (2013, 10013025), (2061, 9779825), (2385, 8451245), (2475, 8143927), (2519, 8001675), (2745, 7342885), (2915, 6914655), (3025, 6663213), (3233, 6234525), (3355, 6007815), (3435, 5867895), (3975, 5070747), (4575, 4405731), (5247, 3841475), (5445, 3701785), (5725, 3520737), (6039, 3337675), (6413, 3143025), (7381, 2730825), (7557, 2667225), (8745, 2304885), (9075, 2221071), (9699, 2078175), (10065, 2002605), (10305, 1955965), (11925, 1690249), (12137, 1660725), (12595, 1600335), (13725, 1468577), (13969, 1442925), (14575, 1382931), (16165, 1246905), (16775, 1201563), (17175, 1173579), (19239, 1047675), (22143, 910275), (22671, 889075), (26235, 768295), (27225, 740357), (27709, 727425), (29097, 692725), (30195, 667535), (32065, 628605), (35563, 566775), (36411, 553575), (36905, 546165), (37785, 533445), (41907, 480975), (43725, 460977), (48495, 415635), (50325, 400521), (51525, 391193), (57717, 349225), (60685, 332145), (62975, 320067), (66429, 303425), (69845, 288585), (80825, 249381), (83127, 242475), (96195, 209535), (106689, 188925), (109233, 184525), (110715, 182055), (113355, 177815), (125721, 160325), (131175, 153659), (133507, 150975), (138545, 145485)]