20504647548

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{255071}}^1$

素因数の和:255128

約数の個数: 144

約数和(自身を含む): 66849269760

約数和(自身を除く): 46344622212

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 28, 29, 33, 36, 42, 44, 58, 63, 66, 77, 84, 87, 99, 116, 126, 132, 154, 174, 198, 203, 231, 252, 261, 308, 319, 348, 396, 406, 462, 522, 609, 638, 693, 812, 924, 957, 1044, 1218, 1276, 1386, 1827, 1914, 2233, 2436, 2772, 2871, 3654, 3828, 4466, 5742, 6699, 7308, 8932, 11484, 13398, 20097, 26796, 40194, 80388, 255071, 510142, 765213, 1020284, 1530426, 1785497, 2295639, 2805781, 3060852, 3570994, 4591278, 5356491, 5611562, 7141988, 7397059, 8417343, 9182556, 10712982, 11223124, 14794118, 16069473, 16834686, 19640467, 21425964, 22191177, 25252029, 29588236, 32138946, 33669372, 39280934, 44382354, 50504058, 51779413, 58921401, 64277892, 66573531, 78561868, 81367649, 88764708, 101008116, 103558826, 117842802, 133147062, 155338239, 162735298, 176764203, 207117652, 235685604, 244102947, 266294124, 310676478, 325470596, 353528406, 466014717, 488205894, 569573543, 621352956, 707056812, 732308841, 932029434, 976411788, 1139147086, 1464617682, 1708720629, 1864058868, 2278294172, 2929235364, 3417441258, 5126161887, 6834882516, 10252323774, 20504647548]

約数ペア:

[(1, 20504647548), (2, 10252323774), (3, 6834882516), (4, 5126161887), (6, 3417441258), (7, 2929235364), (9, 2278294172), (11, 1864058868), (12, 1708720629), (14, 1464617682), (18, 1139147086), (21, 976411788), (22, 932029434), (28, 732308841), (29, 707056812), (33, 621352956), (36, 569573543), (42, 488205894), (44, 466014717), (58, 353528406), (63, 325470596), (66, 310676478), (77, 266294124), (84, 244102947), (87, 235685604), (99, 207117652), (116, 176764203), (126, 162735298), (132, 155338239), (154, 133147062), (174, 117842802), (198, 103558826), (203, 101008116), (231, 88764708), (252, 81367649), (261, 78561868), (308, 66573531), (319, 64277892), (348, 58921401), (396, 51779413), (406, 50504058), (462, 44382354), (522, 39280934), (609, 33669372), (638, 32138946), (693, 29588236), (812, 25252029), (924, 22191177), (957, 21425964), (1044, 19640467), (1218, 16834686), (1276, 16069473), (1386, 14794118), (1827, 11223124), (1914, 10712982), (2233, 9182556), (2436, 8417343), (2772, 7397059), (2871, 7141988), (3654, 5611562), (3828, 5356491), (4466, 4591278), (5742, 3570994), (6699, 3060852), (7308, 2805781), (8932, 2295639), (11484, 1785497), (13398, 1530426), (20097, 1020284), (26796, 765213), (40194, 510142), (80388, 255071)]