20727831540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{396629}}^1$

素因数の和:396721

約数の個数: 96

約数和(自身を含む): 63435415680

約数和(自身を除く): 42707584140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 67, 78, 130, 134, 156, 195, 201, 260, 268, 335, 390, 402, 670, 780, 804, 871, 1005, 1340, 1742, 2010, 2613, 3484, 4020, 4355, 5226, 8710, 10452, 13065, 17420, 26130, 52260, 396629, 793258, 1189887, 1586516, 1983145, 2379774, 3966290, 4759548, 5156177, 5949435, 7932580, 10312354, 11898870, 15468531, 20624708, 23797740, 25780885, 26574143, 30937062, 51561770, 53148286, 61874124, 77342655, 79722429, 103123540, 106296572, 132870715, 154685310, 159444858, 265741430, 309370620, 318889716, 345463859, 398612145, 531482860, 690927718, 797224290, 1036391577, 1381855436, 1594448580, 1727319295, 2072783154, 3454638590, 4145566308, 5181957885, 6909277180, 10363915770, 20727831540]

約数ペア:

[(1, 20727831540), (2, 10363915770), (3, 6909277180), (4, 5181957885), (5, 4145566308), (6, 3454638590), (10, 2072783154), (12, 1727319295), (13, 1594448580), (15, 1381855436), (20, 1036391577), (26, 797224290), (30, 690927718), (39, 531482860), (52, 398612145), (60, 345463859), (65, 318889716), (67, 309370620), (78, 265741430), (130, 159444858), (134, 154685310), (156, 132870715), (195, 106296572), (201, 103123540), (260, 79722429), (268, 77342655), (335, 61874124), (390, 53148286), (402, 51561770), (670, 30937062), (780, 26574143), (804, 25780885), (871, 23797740), (1005, 20624708), (1340, 15468531), (1742, 11898870), (2010, 10312354), (2613, 7932580), (3484, 5949435), (4020, 5156177), (4355, 4759548), (5226, 3966290), (8710, 2379774), (10452, 1983145), (13065, 1586516), (17420, 1189887), (26130, 793258), (52260, 396629)]