20809902

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{277}}^1\times {\mathrm{659}}^1$

素因数の和:960

約数の個数: 32

約数和(自身を含む): 44035200

約数和(自身を除く): 23225298

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 277, 554, 659, 831, 1318, 1662, 1977, 3954, 5263, 10526, 12521, 15789, 25042, 31578, 37563, 75126, 182543, 365086, 547629, 1095258, 3468317, 6936634, 10404951, 20809902]

約数ペア:

[(1, 20809902), (2, 10404951), (3, 6936634), (6, 3468317), (19, 1095258), (38, 547629), (57, 365086), (114, 182543), (277, 75126), (554, 37563), (659, 31578), (831, 25042), (1318, 15789), (1662, 12521), (1977, 10526), (3954, 5263)]