20197980176

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{10432841}}^1$

素因数の和:10432871

約数の個数: 30

約数和(自身を含む): 43014607566

約数和(自身を除く): 22816627390

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 121, 176, 242, 484, 968, 1936, 10432841, 20865682, 41731364, 83462728, 114761251, 166925456, 229522502, 459045004, 918090008, 1262373761, 1836180016, 2524747522, 5049495044, 10098990088, 20197980176]

約数ペア:

[(1, 20197980176), (2, 10098990088), (4, 5049495044), (8, 2524747522), (11, 1836180016), (16, 1262373761), (22, 918090008), (44, 459045004), (88, 229522502), (121, 166925456), (176, 114761251), (242, 83462728), (484, 41731364), (968, 20865682), (1936, 10432841)]