20692740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{20287}}^1$

素因数の和:20316

約数の個数: 48

約数和(自身を含む): 61350912

約数和(自身を除く): 40658172

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 20287, 40574, 60861, 81148, 101435, 121722, 202870, 243444, 304305, 344879, 405740, 608610, 689758, 1034637, 1217220, 1379516, 1724395, 2069274, 3448790, 4138548, 5173185, 6897580, 10346370, 20692740]

約数ペア:

[(1, 20692740), (2, 10346370), (3, 6897580), (4, 5173185), (5, 4138548), (6, 3448790), (10, 2069274), (12, 1724395), (15, 1379516), (17, 1217220), (20, 1034637), (30, 689758), (34, 608610), (51, 405740), (60, 344879), (68, 304305), (85, 243444), (102, 202870), (170, 121722), (204, 101435), (255, 81148), (340, 60861), (510, 40574), (1020, 20287)]