20403653764

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{449}}^1\times {\mathrm{6287}}^1$

素因数の和:6892

約数の個数: 48

約数和(自身を含む): 38822112000

約数和(自身を除く): 18418458236

約数列:

[1, 2, 4, 13, 26, 52, 139, 278, 449, 556, 898, 1796, 1807, 3614, 5837, 6287, 7228, 11674, 12574, 23348, 25148, 62411, 81731, 124822, 163462, 249644, 326924, 811343, 873893, 1622686, 1747786, 2822863, 3245372, 3495572, 5645726, 11291452, 11360609, 22721218, 36697219, 45442436, 73394438, 146788876, 392377957, 784755914, 1569511828, 5100913441, 10201826882, 20403653764]

約数ペア:

[(1, 20403653764), (2, 10201826882), (4, 5100913441), (13, 1569511828), (26, 784755914), (52, 392377957), (139, 146788876), (278, 73394438), (449, 45442436), (556, 36697219), (898, 22721218), (1796, 11360609), (1807, 11291452), (3614, 5645726), (5837, 3495572), (6287, 3245372), (7228, 2822863), (11674, 1747786), (12574, 1622686), (23348, 873893), (25148, 811343), (62411, 326924), (81731, 249644), (124822, 163462)]