20247153

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{421}}^1$

素因数の和:505

約数の個数: 32

約数和(自身を含む): 30627072

約数和(自身を除く): 10379919

約数列:

[1, 3, 17, 23, 41, 51, 69, 123, 391, 421, 697, 943, 1173, 1263, 2091, 2829, 7157, 9683, 16031, 17261, 21471, 29049, 48093, 51783, 164611, 293437, 397003, 493833, 880311, 1191009, 6749051, 20247153]

約数ペア:

[(1, 20247153), (3, 6749051), (17, 1191009), (23, 880311), (41, 493833), (51, 397003), (69, 293437), (123, 164611), (391, 51783), (421, 48093), (697, 29049), (943, 21471), (1173, 17261), (1263, 16031), (2091, 9683), (2829, 7157)]