20038980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1117}}^1$

素因数の和:1165

約数の個数: 96

約数和(自身を含む): 63108864

約数和(自身を除く): 43069884

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 23, 26, 30, 39, 46, 52, 60, 65, 69, 78, 92, 115, 130, 138, 156, 195, 230, 260, 276, 299, 345, 390, 460, 598, 690, 780, 897, 1117, 1196, 1380, 1495, 1794, 2234, 2990, 3351, 3588, 4468, 4485, 5585, 5980, 6702, 8970, 11170, 13404, 14521, 16755, 17940, 22340, 25691, 29042, 33510, 43563, 51382, 58084, 67020, 72605, 77073, 87126, 102764, 128455, 145210, 154146, 174252, 217815, 256910, 290420, 308292, 333983, 385365, 435630, 513820, 667966, 770730, 871260, 1001949, 1335932, 1541460, 1669915, 2003898, 3339830, 4007796, 5009745, 6679660, 10019490, 20038980]

約数ペア:

[(1, 20038980), (2, 10019490), (3, 6679660), (4, 5009745), (5, 4007796), (6, 3339830), (10, 2003898), (12, 1669915), (13, 1541460), (15, 1335932), (20, 1001949), (23, 871260), (26, 770730), (30, 667966), (39, 513820), (46, 435630), (52, 385365), (60, 333983), (65, 308292), (69, 290420), (78, 256910), (92, 217815), (115, 174252), (130, 154146), (138, 145210), (156, 128455), (195, 102764), (230, 87126), (260, 77073), (276, 72605), (299, 67020), (345, 58084), (390, 51382), (460, 43563), (598, 33510), (690, 29042), (780, 25691), (897, 22340), (1117, 17940), (1196, 16755), (1380, 14521), (1495, 13404), (1794, 11170), (2234, 8970), (2990, 6702), (3351, 5980), (3588, 5585), (4468, 4485)]