20507916

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1$

素因数の和:104

約数の個数: 192

約数和(自身を含む): 64350720

約数和(自身を除く): 43842804

約数列:

[1, 2, 3, 4, 6, 11, 12, 13, 17, 19, 22, 26, 33, 34, 37, 38, 39, 44, 51, 52, 57, 66, 68, 74, 76, 78, 102, 111, 114, 132, 143, 148, 156, 187, 204, 209, 221, 222, 228, 247, 286, 323, 374, 407, 418, 429, 442, 444, 481, 494, 561, 572, 627, 629, 646, 663, 703, 741, 748, 814, 836, 858, 884, 962, 969, 988, 1122, 1221, 1254, 1258, 1292, 1326, 1406, 1443, 1482, 1628, 1716, 1887, 1924, 1938, 2109, 2244, 2431, 2442, 2508, 2516, 2652, 2717, 2812, 2886, 2964, 3553, 3774, 3876, 4199, 4218, 4862, 4884, 5291, 5434, 5772, 6919, 7106, 7293, 7548, 7733, 8151, 8177, 8398, 8436, 9139, 9724, 10582, 10659, 10868, 11951, 12597, 13838, 14212, 14586, 15466, 15873, 16302, 16354, 16796, 18278, 20757, 21164, 21318, 23199, 23902, 24531, 25194, 27417, 27676, 29172, 30932, 31746, 32604, 32708, 35853, 36556, 41514, 42636, 46189, 46398, 47804, 49062, 50388, 54834, 63492, 71706, 83028, 89947, 92378, 92796, 98124, 100529, 109668, 131461, 138567, 143412, 155363, 179894, 184756, 201058, 262922, 269841, 277134, 301587, 310726, 359788, 394383, 402116, 466089, 525844, 539682, 554268, 603174, 621452, 788766, 932178, 1079364, 1206348, 1577532, 1708993, 1864356, 3417986, 5126979, 6835972, 10253958, 20507916]

約数ペア:

[(1, 20507916), (2, 10253958), (3, 6835972), (4, 5126979), (6, 3417986), (11, 1864356), (12, 1708993), (13, 1577532), (17, 1206348), (19, 1079364), (22, 932178), (26, 788766), (33, 621452), (34, 603174), (37, 554268), (38, 539682), (39, 525844), (44, 466089), (51, 402116), (52, 394383), (57, 359788), (66, 310726), (68, 301587), (74, 277134), (76, 269841), (78, 262922), (102, 201058), (111, 184756), (114, 179894), (132, 155363), (143, 143412), (148, 138567), (156, 131461), (187, 109668), (204, 100529), (209, 98124), (221, 92796), (222, 92378), (228, 89947), (247, 83028), (286, 71706), (323, 63492), (374, 54834), (407, 50388), (418, 49062), (429, 47804), (442, 46398), (444, 46189), (481, 42636), (494, 41514), (561, 36556), (572, 35853), (627, 32708), (629, 32604), (646, 31746), (663, 30932), (703, 29172), (741, 27676), (748, 27417), (814, 25194), (836, 24531), (858, 23902), (884, 23199), (962, 21318), (969, 21164), (988, 20757), (1122, 18278), (1221, 16796), (1254, 16354), (1258, 16302), (1292, 15873), (1326, 15466), (1406, 14586), (1443, 14212), (1482, 13838), (1628, 12597), (1716, 11951), (1887, 10868), (1924, 10659), (1938, 10582), (2109, 9724), (2244, 9139), (2431, 8436), (2442, 8398), (2508, 8177), (2516, 8151), (2652, 7733), (2717, 7548), (2812, 7293), (2886, 7106), (2964, 6919), (3553, 5772), (3774, 5434), (3876, 5291), (4199, 4884), (4218, 4862)]