20961888

素因数分解:

$2^5\times 3^1\times {\mathrm{67}}^1\times {\mathrm{3259}}^1$

素因数の和:3339

約数の個数: 48

約数和(自身を含む): 55863360

約数和(自身を除く): 34901472

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 67, 96, 134, 201, 268, 402, 536, 804, 1072, 1608, 2144, 3216, 3259, 6432, 6518, 9777, 13036, 19554, 26072, 39108, 52144, 78216, 104288, 156432, 218353, 312864, 436706, 655059, 873412, 1310118, 1746824, 2620236, 3493648, 5240472, 6987296, 10480944, 20961888]

約数ペア:

[(1, 20961888), (2, 10480944), (3, 6987296), (4, 5240472), (6, 3493648), (8, 2620236), (12, 1746824), (16, 1310118), (24, 873412), (32, 655059), (48, 436706), (67, 312864), (96, 218353), (134, 156432), (201, 104288), (268, 78216), (402, 52144), (536, 39108), (804, 26072), (1072, 19554), (1608, 13036), (2144, 9777), (3216, 6518), (3259, 6432)]