20331900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1$

素因数の和:109

約数の個数: 216

約数和(自身を含む): 71089200

約数和(自身を除く): 50757300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 25, 29, 30, 36, 38, 41, 45, 50, 57, 58, 60, 75, 76, 82, 87, 90, 95, 100, 114, 116, 123, 145, 150, 164, 171, 174, 180, 190, 205, 225, 228, 246, 261, 285, 290, 300, 342, 348, 369, 380, 410, 435, 450, 475, 492, 522, 551, 570, 580, 615, 684, 725, 738, 779, 820, 855, 870, 900, 950, 1025, 1044, 1102, 1140, 1189, 1230, 1305, 1425, 1450, 1476, 1558, 1653, 1710, 1740, 1845, 1900, 2050, 2175, 2204, 2337, 2378, 2460, 2610, 2755, 2850, 2900, 3075, 3116, 3306, 3420, 3567, 3690, 3895, 4100, 4275, 4350, 4674, 4756, 4959, 5220, 5510, 5700, 5945, 6150, 6525, 6612, 7011, 7134, 7380, 7790, 8265, 8550, 8700, 9225, 9348, 9918, 10701, 11020, 11685, 11890, 12300, 13050, 13775, 14022, 14268, 15580, 16530, 17100, 17835, 18450, 19475, 19836, 21402, 22591, 23370, 23780, 24795, 26100, 27550, 28044, 29725, 33060, 35055, 35670, 36900, 38950, 41325, 42804, 45182, 46740, 49590, 53505, 55100, 58425, 59450, 67773, 70110, 71340, 77900, 82650, 89175, 90364, 99180, 107010, 112955, 116850, 118900, 123975, 135546, 140220, 165300, 175275, 178350, 203319, 214020, 225910, 233700, 247950, 267525, 271092, 338865, 350550, 356700, 406638, 451820, 495900, 535050, 564775, 677730, 701100, 813276, 1016595, 1070100, 1129550, 1355460, 1694325, 2033190, 2259100, 3388650, 4066380, 5082975, 6777300, 10165950, 20331900]

約数ペア:

[(1, 20331900), (2, 10165950), (3, 6777300), (4, 5082975), (5, 4066380), (6, 3388650), (9, 2259100), (10, 2033190), (12, 1694325), (15, 1355460), (18, 1129550), (19, 1070100), (20, 1016595), (25, 813276), (29, 701100), (30, 677730), (36, 564775), (38, 535050), (41, 495900), (45, 451820), (50, 406638), (57, 356700), (58, 350550), (60, 338865), (75, 271092), (76, 267525), (82, 247950), (87, 233700), (90, 225910), (95, 214020), (100, 203319), (114, 178350), (116, 175275), (123, 165300), (145, 140220), (150, 135546), (164, 123975), (171, 118900), (174, 116850), (180, 112955), (190, 107010), (205, 99180), (225, 90364), (228, 89175), (246, 82650), (261, 77900), (285, 71340), (290, 70110), (300, 67773), (342, 59450), (348, 58425), (369, 55100), (380, 53505), (410, 49590), (435, 46740), (450, 45182), (475, 42804), (492, 41325), (522, 38950), (551, 36900), (570, 35670), (580, 35055), (615, 33060), (684, 29725), (725, 28044), (738, 27550), (779, 26100), (820, 24795), (855, 23780), (870, 23370), (900, 22591), (950, 21402), (1025, 19836), (1044, 19475), (1102, 18450), (1140, 17835), (1189, 17100), (1230, 16530), (1305, 15580), (1425, 14268), (1450, 14022), (1476, 13775), (1558, 13050), (1653, 12300), (1710, 11890), (1740, 11685), (1845, 11020), (1900, 10701), (2050, 9918), (2175, 9348), (2204, 9225), (2337, 8700), (2378, 8550), (2460, 8265), (2610, 7790), (2755, 7380), (2850, 7134), (2900, 7011), (3075, 6612), (3116, 6525), (3306, 6150), (3420, 5945), (3567, 5700), (3690, 5510), (3895, 5220), (4100, 4959), (4275, 4756), (4350, 4674)]