20730502017

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{131}}^1\times {\mathrm{124703}}^1$

素因数の和:124890

約数の個数: 32

約数和(自身を含む): 31604981760

約数和(自身を除く): 10874479743

約数列:

[1, 3, 9, 27, 47, 131, 141, 393, 423, 1179, 1269, 3537, 6157, 18471, 55413, 124703, 166239, 374109, 1122327, 3366981, 5861041, 16336093, 17583123, 49008279, 52749369, 147024837, 158248107, 441074511, 767796371, 2303389113, 6910167339, 20730502017]

約数ペア:

[(1, 20730502017), (3, 6910167339), (9, 2303389113), (27, 767796371), (47, 441074511), (131, 158248107), (141, 147024837), (393, 52749369), (423, 49008279), (1179, 17583123), (1269, 16336093), (3537, 5861041), (6157, 3366981), (18471, 1122327), (55413, 374109), (124703, 166239)]