20408032510

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{409}}^1\times {\mathrm{81799}}^1$

素因数の和:82276

約数の個数: 32

約数和(自身を含む): 37428408000

約数和(自身を除く): 17020375490

約数列:

[1, 2, 5, 10, 61, 122, 305, 409, 610, 818, 2045, 4090, 24949, 49898, 81799, 124745, 163598, 249490, 408995, 817990, 4989739, 9979478, 24948695, 33455791, 49897390, 66911582, 167278955, 334557910, 2040803251, 4081606502, 10204016255, 20408032510]

約数ペア:

[(1, 20408032510), (2, 10204016255), (5, 4081606502), (10, 2040803251), (61, 334557910), (122, 167278955), (305, 66911582), (409, 49897390), (610, 33455791), (818, 24948695), (2045, 9979478), (4090, 4989739), (24949, 817990), (49898, 408995), (81799, 249490), (124745, 163598)]