20100389780

素因数分解:

$2^2\times 5^1\times {\mathrm{271}}^1\times {\mathrm{3708559}}^1$

素因数の和:3708839

約数の個数: 24

約数和(自身を含む): 42366589440

約数和(自身を除く): 22266199660

約数列:

[1, 2, 4, 5, 10, 20, 271, 542, 1084, 1355, 2710, 5420, 3708559, 7417118, 14834236, 18542795, 37085590, 74171180, 1005019489, 2010038978, 4020077956, 5025097445, 10050194890, 20100389780]

約数ペア:

[(1, 20100389780), (2, 10050194890), (4, 5025097445), (5, 4020077956), (10, 2010038978), (20, 1005019489), (271, 74171180), (542, 37085590), (1084, 18542795), (1355, 14834236), (2710, 7417118), (5420, 3708559)]