20374140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{241}}^1\times {\mathrm{1409}}^1$

素因数の和:1662

約数の個数: 48

約数和(自身を含む): 57324960

約数和(自身を除く): 36950820

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 241, 482, 723, 964, 1205, 1409, 1446, 2410, 2818, 2892, 3615, 4227, 4820, 5636, 7045, 7230, 8454, 14090, 14460, 16908, 21135, 28180, 42270, 84540, 339569, 679138, 1018707, 1358276, 1697845, 2037414, 3395690, 4074828, 5093535, 6791380, 10187070, 20374140]

約数ペア:

[(1, 20374140), (2, 10187070), (3, 6791380), (4, 5093535), (5, 4074828), (6, 3395690), (10, 2037414), (12, 1697845), (15, 1358276), (20, 1018707), (30, 679138), (60, 339569), (241, 84540), (482, 42270), (723, 28180), (964, 21135), (1205, 16908), (1409, 14460), (1446, 14090), (2410, 8454), (2818, 7230), (2892, 7045), (3615, 5636), (4227, 4820)]