20528020666

素因数分解:

$2^1\times {\mathrm{127}}^1\times {\mathrm{617}}^1\times {\mathrm{130987}}^1$

素因数の和:131733

約数の個数: 16

約数和(自身を含む): 31085024256

約数和(自身を除く): 10557003590

約数列:

[1, 2, 127, 254, 617, 1234, 78359, 130987, 156718, 261974, 16635349, 33270698, 80818979, 161637958, 10264010333, 20528020666]

約数ペア:

[(1, 20528020666), (2, 10264010333), (127, 161637958), (254, 80818979), (617, 33270698), (1234, 16635349), (78359, 261974), (130987, 156718)]