20177896538

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{751}}^1\times {\mathrm{2087}}^1$

素因数の和:3038

約数の個数: 32

約数和(自身を含む): 31259063808

約数和(自身を除く): 11081167270

約数列:

[1, 2, 41, 82, 157, 314, 751, 1502, 2087, 4174, 6437, 12874, 30791, 61582, 85567, 117907, 171134, 235814, 327659, 655318, 1567337, 3134674, 4834187, 9668374, 13434019, 26868038, 64260817, 128521634, 246071909, 492143818, 10088948269, 20177896538]

約数ペア:

[(1, 20177896538), (2, 10088948269), (41, 492143818), (82, 246071909), (157, 128521634), (314, 64260817), (751, 26868038), (1502, 13434019), (2087, 9668374), (4174, 4834187), (6437, 3134674), (12874, 1567337), (30791, 655318), (61582, 327659), (85567, 235814), (117907, 171134)]