20850507

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{859}}^1$

素因数の和:928

約数の個数: 32

約数和(自身を含む): 33024000

約数和(自身を除く): 12173493

約数列:

[1, 3, 9, 27, 29, 31, 87, 93, 261, 279, 783, 837, 859, 899, 2577, 2697, 7731, 8091, 23193, 24273, 24911, 26629, 74733, 79887, 224199, 239661, 672597, 718983, 772241, 2316723, 6950169, 20850507]

約数ペア:

[(1, 20850507), (3, 6950169), (9, 2316723), (27, 772241), (29, 718983), (31, 672597), (87, 239661), (93, 224199), (261, 79887), (279, 74733), (783, 26629), (837, 24911), (859, 24273), (899, 23193), (2577, 8091), (2697, 7731)]