20954378

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{5059}}^1$

素因数の和:5189

約数の個数: 16

約数和(自身を含む): 33396000

約数和(自身を除く): 12441622

約数列:

[1, 2, 19, 38, 109, 218, 2071, 4142, 5059, 10118, 96121, 192242, 551431, 1102862, 10477189, 20954378]

約数ペア:

[(1, 20954378), (2, 10477189), (19, 1102862), (38, 551431), (109, 192242), (218, 96121), (2071, 10118), (4142, 5059)]