20199457810

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{1303}}^1\times {\mathrm{221461}}^1$

素因数の和:222778

約数の個数: 32

約数和(自身を含む): 41585248512

約数和(自身を除く): 21385790702

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 1303, 2606, 6515, 9121, 13030, 18242, 45605, 91210, 221461, 442922, 1107305, 1550227, 2214610, 3100454, 7751135, 15502270, 288563683, 577127366, 1442818415, 2019945781, 2885636830, 4039891562, 10099728905, 20199457810]

約数ペア:

[(1, 20199457810), (2, 10099728905), (5, 4039891562), (7, 2885636830), (10, 2019945781), (14, 1442818415), (35, 577127366), (70, 288563683), (1303, 15502270), (2606, 7751135), (6515, 3100454), (9121, 2214610), (13030, 1550227), (18242, 1107305), (45605, 442922), (91210, 221461)]