20681992512

素因数分解:

$2^6\times 3^2\times {\mathrm{181}}^1\times {\mathrm{198377}}^1$

素因数の和:198576

約数の個数: 84

約数和(自身を含む): 59609018196

約数和(自身を除く): 38927025684

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 144, 181, 192, 288, 362, 543, 576, 724, 1086, 1448, 1629, 2172, 2896, 3258, 4344, 5792, 6516, 8688, 11584, 13032, 17376, 26064, 34752, 52128, 104256, 198377, 396754, 595131, 793508, 1190262, 1587016, 1785393, 2380524, 3174032, 3570786, 4761048, 6348064, 7141572, 9522096, 12696128, 14283144, 19044192, 28566288, 35906237, 38088384, 57132576, 71812474, 107718711, 114265152, 143624948, 215437422, 287249896, 323156133, 430874844, 574499792, 646312266, 861749688, 1148999584, 1292624532, 1723499376, 2297999168, 2585249064, 3446998752, 5170498128, 6893997504, 10340996256, 20681992512]

約数ペア:

[(1, 20681992512), (2, 10340996256), (3, 6893997504), (4, 5170498128), (6, 3446998752), (8, 2585249064), (9, 2297999168), (12, 1723499376), (16, 1292624532), (18, 1148999584), (24, 861749688), (32, 646312266), (36, 574499792), (48, 430874844), (64, 323156133), (72, 287249896), (96, 215437422), (144, 143624948), (181, 114265152), (192, 107718711), (288, 71812474), (362, 57132576), (543, 38088384), (576, 35906237), (724, 28566288), (1086, 19044192), (1448, 14283144), (1629, 12696128), (2172, 9522096), (2896, 7141572), (3258, 6348064), (4344, 4761048), (5792, 3570786), (6516, 3174032), (8688, 2380524), (11584, 1785393), (13032, 1587016), (17376, 1190262), (26064, 793508), (34752, 595131), (52128, 396754), (104256, 198377)]