20739031

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1$

素因数の和:159

約数の個数: 32

約数和(自身を含む): 24883200

約数和(自身を除く): 4144169

約数列:

[1, 17, 23, 29, 31, 59, 391, 493, 527, 667, 713, 899, 1003, 1357, 1711, 1829, 11339, 12121, 15283, 20677, 23069, 29087, 31093, 39353, 42067, 53041, 351509, 669001, 715139, 901697, 1219943, 20739031]

約数ペア:

[(1, 20739031), (17, 1219943), (23, 901697), (29, 715139), (31, 669001), (59, 351509), (391, 53041), (493, 42067), (527, 39353), (667, 31093), (713, 29087), (899, 23069), (1003, 20677), (1357, 15283), (1711, 12121), (1829, 11339)]