20710740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{8419}}^1$

素因数の和:8472

約数の個数: 48

約数和(自身を含む): 59411520

約数和(自身を除く): 38700780

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 41, 60, 82, 123, 164, 205, 246, 410, 492, 615, 820, 1230, 2460, 8419, 16838, 25257, 33676, 42095, 50514, 84190, 101028, 126285, 168380, 252570, 345179, 505140, 690358, 1035537, 1380716, 1725895, 2071074, 3451790, 4142148, 5177685, 6903580, 10355370, 20710740]

約数ペア:

[(1, 20710740), (2, 10355370), (3, 6903580), (4, 5177685), (5, 4142148), (6, 3451790), (10, 2071074), (12, 1725895), (15, 1380716), (20, 1035537), (30, 690358), (41, 505140), (60, 345179), (82, 252570), (123, 168380), (164, 126285), (205, 101028), (246, 84190), (410, 50514), (492, 42095), (615, 33676), (820, 25257), (1230, 16838), (2460, 8419)]