20197980170

素因数分解:

$2^1\times 5^1\times {\mathrm{36973}}^1\times {\mathrm{54629}}^1$

素因数の和:91609

約数の個数: 16

約数和(自身を含む): 36358013160

約数和(自身を除く): 16160032990

約数列:

[1, 2, 5, 10, 36973, 54629, 73946, 109258, 184865, 273145, 369730, 546290, 2019798017, 4039596034, 10098990085, 20197980170]

約数ペア:

[(1, 20197980170), (2, 10098990085), (5, 4039596034), (10, 2019798017), (36973, 546290), (54629, 369730), (73946, 273145), (109258, 184865)]