20290367

素因数分解:

${\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{677}}^1$

素因数の和:778

約数の個数: 16

約数和(自身を含む): 22552992

約数和(自身を除く): 2262625

約数列:

[1, 17, 41, 43, 677, 697, 731, 1763, 11509, 27757, 29111, 29971, 471869, 494887, 1193551, 20290367]

約数ペア:

[(1, 20290367), (17, 1193551), (41, 494887), (43, 471869), (677, 29971), (697, 29111), (731, 27757), (1763, 11509)]