20552553

素因数分解:

$3^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{2887}}^1$

素因数の和:3013

約数の個数: 24

約数和(自身を含む): 34240128

約数和(自身を除く): 13687575

約数列:

[1, 3, 7, 9, 21, 63, 113, 339, 791, 1017, 2373, 2887, 7119, 8661, 20209, 25983, 60627, 181881, 326231, 978693, 2283617, 2936079, 6850851, 20552553]

約数ペア:

[(1, 20552553), (3, 6850851), (7, 2936079), (9, 2283617), (21, 978693), (63, 326231), (113, 181881), (339, 60627), (791, 25983), (1017, 20209), (2373, 8661), (2887, 7119)]