20138040028

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{211}}^1\times {\mathrm{521}}^1\times {\mathrm{1117}}^1$

素因数の和:1894

約数の個数: 48

約数和(自身を含む): 36374371488

約数和(自身を除く): 16236331460

約数列:

[1, 2, 4, 41, 82, 164, 211, 422, 521, 844, 1042, 1117, 2084, 2234, 4468, 8651, 17302, 21361, 34604, 42722, 45797, 85444, 91594, 109931, 183188, 219862, 235687, 439724, 471374, 581957, 942748, 1163914, 2327828, 4507171, 9014342, 9663167, 18028684, 19326334, 23860237, 38652668, 47720474, 95440948, 122792927, 245585854, 491171708, 5034510007, 10069020014, 20138040028]

約数ペア:

[(1, 20138040028), (2, 10069020014), (4, 5034510007), (41, 491171708), (82, 245585854), (164, 122792927), (211, 95440948), (422, 47720474), (521, 38652668), (844, 23860237), (1042, 19326334), (1117, 18028684), (2084, 9663167), (2234, 9014342), (4468, 4507171), (8651, 2327828), (17302, 1163914), (21361, 942748), (34604, 581957), (42722, 471374), (45797, 439724), (85444, 235687), (91594, 219862), (109931, 183188)]