20161177940

素因数分解:

$2^2\times 5^1\times {\mathrm{241}}^1\times {\mathrm{599}}^1\times {\mathrm{6983}}^1$

素因数の和:7832

約数の個数: 48

約数和(自身を含む): 42591225600

約数和(自身を除く): 22430047660

約数列:

[1, 2, 4, 5, 10, 20, 241, 482, 599, 964, 1198, 1205, 2396, 2410, 2995, 4820, 5990, 6983, 11980, 13966, 27932, 34915, 69830, 139660, 144359, 288718, 577436, 721795, 1443590, 1682903, 2887180, 3365806, 4182817, 6731612, 8365634, 8414515, 16731268, 16829030, 20914085, 33658060, 41828170, 83656340, 1008058897, 2016117794, 4032235588, 5040294485, 10080588970, 20161177940]

約数ペア:

[(1, 20161177940), (2, 10080588970), (4, 5040294485), (5, 4032235588), (10, 2016117794), (20, 1008058897), (241, 83656340), (482, 41828170), (599, 33658060), (964, 20914085), (1198, 16829030), (1205, 16731268), (2396, 8414515), (2410, 8365634), (2995, 6731612), (4820, 4182817), (5990, 3365806), (6983, 2887180), (11980, 1682903), (13966, 1443590), (27932, 721795), (34915, 577436), (69830, 288718), (139660, 144359)]