20128902

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{1279}}^1$

素因数の和:1388

約数の個数: 32

約数和(自身を含む): 41902080

約数和(自身を除く): 21773178

約数列:

[1, 2, 3, 6, 43, 61, 86, 122, 129, 183, 258, 366, 1279, 2558, 2623, 3837, 5246, 7674, 7869, 15738, 54997, 78019, 109994, 156038, 164991, 234057, 329982, 468114, 3354817, 6709634, 10064451, 20128902]

約数ペア:

[(1, 20128902), (2, 10064451), (3, 6709634), (6, 3354817), (43, 468114), (61, 329982), (86, 234057), (122, 164991), (129, 156038), (183, 109994), (258, 78019), (366, 54997), (1279, 15738), (2558, 7869), (2623, 7674), (3837, 5246)]