20471820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{5783}}^1$

素因数の和:5854

約数の個数: 48

約数和(自身を含む): 58302720

約数和(自身を除く): 37830900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 59, 60, 118, 177, 236, 295, 354, 590, 708, 885, 1180, 1770, 3540, 5783, 11566, 17349, 23132, 28915, 34698, 57830, 69396, 86745, 115660, 173490, 341197, 346980, 682394, 1023591, 1364788, 1705985, 2047182, 3411970, 4094364, 5117955, 6823940, 10235910, 20471820]

約数ペア:

[(1, 20471820), (2, 10235910), (3, 6823940), (4, 5117955), (5, 4094364), (6, 3411970), (10, 2047182), (12, 1705985), (15, 1364788), (20, 1023591), (30, 682394), (59, 346980), (60, 341197), (118, 173490), (177, 115660), (236, 86745), (295, 69396), (354, 57830), (590, 34698), (708, 28915), (885, 23132), (1180, 17349), (1770, 11566), (3540, 5783)]