20804535

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{20101}}^1$

素因数の和:20135

約数の個数: 24

約数和(自身を含む): 37630944

約数和(自身を除く): 16826409

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 1035, 20101, 60303, 100505, 180909, 301515, 462323, 904545, 1386969, 2311615, 4160907, 6934845, 20804535]

約数ペア:

[(1, 20804535), (3, 6934845), (5, 4160907), (9, 2311615), (15, 1386969), (23, 904545), (45, 462323), (69, 301515), (115, 180909), (207, 100505), (345, 60303), (1035, 20101)]