20928654

素因数分解:

$2^1\times 3^2\times {\mathrm{109}}^1\times {\mathrm{10667}}^1$

素因数の和:10784

約数の個数: 24

約数和(自身を含む): 45765720

約数和(自身を除く): 24837066

約数列:

[1, 2, 3, 6, 9, 18, 109, 218, 327, 654, 981, 1962, 10667, 21334, 32001, 64002, 96003, 192006, 1162703, 2325406, 3488109, 6976218, 10464327, 20928654]

約数ペア:

[(1, 20928654), (2, 10464327), (3, 6976218), (6, 3488109), (9, 2325406), (18, 1162703), (109, 192006), (218, 96003), (327, 64002), (654, 32001), (981, 21334), (1962, 10667)]