20121577736

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{7681}}^1\times {\mathrm{25189}}^1$

素因数の和:32889

約数の個数: 32

約数和(自身を含む): 40637011800

約数和(自身を除く): 20515434064

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 7681, 15362, 25189, 30724, 50378, 61448, 99853, 100756, 199706, 201512, 327457, 399412, 654914, 798824, 1309828, 2619656, 193476709, 386953418, 773906836, 1547813672, 2515197217, 5030394434, 10060788868, 20121577736]

約数ペア:

[(1, 20121577736), (2, 10060788868), (4, 5030394434), (8, 2515197217), (13, 1547813672), (26, 773906836), (52, 386953418), (104, 193476709), (7681, 2619656), (15362, 1309828), (25189, 798824), (30724, 654914), (50378, 399412), (61448, 327457), (99853, 201512), (100756, 199706)]