2190654820

素因数分解:

$2^2\times 5^1\times {\mathrm{983}}^1\times {\mathrm{111427}}^1$

素因数の和:112419

約数の個数: 24

約数和(自身を含む): 4605096384

約数和(自身を除く): 2414441564

約数列:

[1, 2, 4, 5, 10, 20, 983, 1966, 3932, 4915, 9830, 19660, 111427, 222854, 445708, 557135, 1114270, 2228540, 109532741, 219065482, 438130964, 547663705, 1095327410, 2190654820]

約数ペア:

[(1, 2190654820), (2, 1095327410), (4, 547663705), (5, 438130964), (10, 219065482), (20, 109532741), (983, 2228540), (1966, 1114270), (3932, 557135), (4915, 445708), (9830, 222854), (19660, 111427)]