20184399

素因数分解:

$3^2\times {\mathrm{89}}^1\times {\mathrm{113}}^1\times {\mathrm{223}}^1$

素因数の和:431

約数の個数: 24

約数和(自身を含む): 29877120

約数和(自身を除く): 9692721

約数列:

[1, 3, 9, 89, 113, 223, 267, 339, 669, 801, 1017, 2007, 10057, 19847, 25199, 30171, 59541, 75597, 90513, 178623, 226791, 2242711, 6728133, 20184399]

約数ペア:

[(1, 20184399), (3, 6728133), (9, 2242711), (89, 226791), (113, 178623), (223, 90513), (267, 75597), (339, 59541), (669, 30171), (801, 25199), (1017, 19847), (2007, 10057)]