20903670378

素因数分解:

$2^1\times 3^3\times {\mathrm{277}}^1\times {\mathrm{1397491}}^1$

素因数の和:1397779

約数の個数: 32

約数和(自身を含む): 46620333120

約数和(自身を除く): 25716662742

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 277, 554, 831, 1662, 2493, 4986, 7479, 14958, 1397491, 2794982, 4192473, 8384946, 12577419, 25154838, 37732257, 75464514, 387105007, 774210014, 1161315021, 2322630042, 3483945063, 6967890126, 10451835189, 20903670378]

約数ペア:

[(1, 20903670378), (2, 10451835189), (3, 6967890126), (6, 3483945063), (9, 2322630042), (18, 1161315021), (27, 774210014), (54, 387105007), (277, 75464514), (554, 37732257), (831, 25154838), (1662, 12577419), (2493, 8384946), (4986, 4192473), (7479, 2794982), (14958, 1397491)]