20369835

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{19681}}^1$

素因数の和:19715

約数の個数: 24

約数和(自身を含む): 36844704

約数和(自身を除く): 16474869

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 1035, 19681, 59043, 98405, 177129, 295215, 452663, 885645, 1357989, 2263315, 4073967, 6789945, 20369835]

約数ペア:

[(1, 20369835), (3, 6789945), (5, 4073967), (9, 2263315), (15, 1357989), (23, 885645), (45, 452663), (69, 295215), (115, 177129), (207, 98405), (345, 59043), (1035, 19681)]