20903642

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{26731}}^1$

素因数の和:26773

約数の個数: 16

約数和(自身を含む): 34644672

約数和(自身を除く): 13741030

約数列:

[1, 2, 17, 23, 34, 46, 391, 782, 26731, 53462, 454427, 614813, 908854, 1229626, 10451821, 20903642]

約数ペア:

[(1, 20903642), (2, 10451821), (17, 1229626), (23, 908854), (34, 614813), (46, 454427), (391, 53462), (782, 26731)]