20128291212

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{21319}}^1$

素因数の和:21487

約数の個数: 96

約数和(自身を含む): 51147532800

約数和(自身を除く): 31019241588

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 41, 57, 76, 82, 101, 114, 123, 164, 202, 228, 246, 303, 404, 492, 606, 779, 1212, 1558, 1919, 2337, 3116, 3838, 4141, 4674, 5757, 7676, 8282, 9348, 11514, 12423, 16564, 21319, 23028, 24846, 42638, 49692, 63957, 78679, 85276, 127914, 157358, 236037, 255828, 314716, 405061, 472074, 810122, 874079, 944148, 1215183, 1620244, 1748158, 2153219, 2430366, 2622237, 3496316, 4306438, 4860732, 5244474, 6459657, 8612876, 10488948, 12919314, 16607501, 25838628, 33215002, 40911161, 49822503, 66430004, 81822322, 88281979, 99645006, 122733483, 163644644, 176563958, 199290012, 245466966, 264845937, 353127916, 490933932, 529691874, 1059383748, 1677357601, 3354715202, 5032072803, 6709430404, 10064145606, 20128291212]

約数ペア:

[(1, 20128291212), (2, 10064145606), (3, 6709430404), (4, 5032072803), (6, 3354715202), (12, 1677357601), (19, 1059383748), (38, 529691874), (41, 490933932), (57, 353127916), (76, 264845937), (82, 245466966), (101, 199290012), (114, 176563958), (123, 163644644), (164, 122733483), (202, 99645006), (228, 88281979), (246, 81822322), (303, 66430004), (404, 49822503), (492, 40911161), (606, 33215002), (779, 25838628), (1212, 16607501), (1558, 12919314), (1919, 10488948), (2337, 8612876), (3116, 6459657), (3838, 5244474), (4141, 4860732), (4674, 4306438), (5757, 3496316), (7676, 2622237), (8282, 2430366), (9348, 2153219), (11514, 1748158), (12423, 1620244), (16564, 1215183), (21319, 944148), (23028, 874079), (24846, 810122), (42638, 472074), (49692, 405061), (63957, 314716), (78679, 255828), (85276, 236037), (127914, 157358)]