19996736

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{10079}}^1$

素因数の和:10122

約数の個数: 28

約数和(自身を含む): 40965120

約数和(自身を除く): 20968384

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 248, 496, 992, 1984, 10079, 20158, 40316, 80632, 161264, 312449, 322528, 624898, 645056, 1249796, 2499592, 4999184, 9998368, 19996736]

約数ペア:

[(1, 19996736), (2, 9998368), (4, 4999184), (8, 2499592), (16, 1249796), (31, 645056), (32, 624898), (62, 322528), (64, 312449), (124, 161264), (248, 80632), (496, 40316), (992, 20158), (1984, 10079)]