20384220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{181}}^1\times {\mathrm{1877}}^1$

素因数の和:2070

約数の個数: 48

約数和(自身を含む): 57421728

約数和(自身を除く): 37037508

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 181, 362, 543, 724, 905, 1086, 1810, 1877, 2172, 2715, 3620, 3754, 5430, 5631, 7508, 9385, 10860, 11262, 18770, 22524, 28155, 37540, 56310, 112620, 339737, 679474, 1019211, 1358948, 1698685, 2038422, 3397370, 4076844, 5096055, 6794740, 10192110, 20384220]

約数ペア:

[(1, 20384220), (2, 10192110), (3, 6794740), (4, 5096055), (5, 4076844), (6, 3397370), (10, 2038422), (12, 1698685), (15, 1358948), (20, 1019211), (30, 679474), (60, 339737), (181, 112620), (362, 56310), (543, 37540), (724, 28155), (905, 22524), (1086, 18770), (1810, 11262), (1877, 10860), (2172, 9385), (2715, 7508), (3620, 5631), (3754, 5430)]