20733960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{13291}}^1$

素因数の和:13318

約数の個数: 64

約数和(自身を含む): 66991680

約数和(自身を除く): 46257720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 13291, 26582, 39873, 53164, 66455, 79746, 106328, 132910, 159492, 172783, 199365, 265820, 318984, 345566, 398730, 518349, 531640, 691132, 797460, 863915, 1036698, 1382264, 1594920, 1727830, 2073396, 2591745, 3455660, 4146792, 5183490, 6911320, 10366980, 20733960]

約数ペア:

[(1, 20733960), (2, 10366980), (3, 6911320), (4, 5183490), (5, 4146792), (6, 3455660), (8, 2591745), (10, 2073396), (12, 1727830), (13, 1594920), (15, 1382264), (20, 1036698), (24, 863915), (26, 797460), (30, 691132), (39, 531640), (40, 518349), (52, 398730), (60, 345566), (65, 318984), (78, 265820), (104, 199365), (120, 172783), (130, 159492), (156, 132910), (195, 106328), (260, 79746), (312, 66455), (390, 53164), (520, 39873), (780, 26582), (1560, 13291)]