20166671330

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{197}}^1\times {\mathrm{4831}}^1$

素因数の和:5211

約数の個数: 64

約数和(自身を含む): 39539985408

約数和(自身を除く): 19373314078

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 163, 197, 326, 394, 815, 985, 1630, 1970, 2119, 2561, 4238, 4831, 5122, 9662, 10595, 12805, 21190, 24155, 25610, 32111, 48310, 62803, 64222, 125606, 160555, 314015, 321110, 417443, 628030, 787453, 834886, 951707, 1574906, 1903414, 2087215, 3937265, 4174430, 4758535, 7874530, 9517070, 10236889, 12372191, 20473778, 24744382, 51184445, 61860955, 102368890, 123721910, 155128241, 310256482, 775641205, 1551282410, 2016667133, 4033334266, 10083335665, 20166671330]

約数ペア:

[(1, 20166671330), (2, 10083335665), (5, 4033334266), (10, 2016667133), (13, 1551282410), (26, 775641205), (65, 310256482), (130, 155128241), (163, 123721910), (197, 102368890), (326, 61860955), (394, 51184445), (815, 24744382), (985, 20473778), (1630, 12372191), (1970, 10236889), (2119, 9517070), (2561, 7874530), (4238, 4758535), (4831, 4174430), (5122, 3937265), (9662, 2087215), (10595, 1903414), (12805, 1574906), (21190, 951707), (24155, 834886), (25610, 787453), (32111, 628030), (48310, 417443), (62803, 321110), (64222, 314015), (125606, 160555)]