20199111664

素因数分解:

$2^4\times {\mathrm{307}}^1\times {\mathrm{4112197}}^1$

素因数の和:4112512

約数の個数: 20

約数和(自身を含む): 39263266504

約数和(自身を除く): 19064154840

約数列:

[1, 2, 4, 8, 16, 307, 614, 1228, 2456, 4912, 4112197, 8224394, 16448788, 32897576, 65795152, 1262444479, 2524888958, 5049777916, 10099555832, 20199111664]

約数ペア:

[(1, 20199111664), (2, 10099555832), (4, 5049777916), (8, 2524888958), (16, 1262444479), (307, 65795152), (614, 32897576), (1228, 16448788), (2456, 8224394), (4912, 4112197)]