20162790508

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{329867}}^1$

素因数の和:329974

約数の個数: 48

約数和(自身を含む): 42117546240

約数和(自身を除く): 21954755732

約数列:

[1, 2, 4, 7, 14, 28, 37, 59, 74, 118, 148, 236, 259, 413, 518, 826, 1036, 1652, 2183, 4366, 8732, 15281, 30562, 61124, 329867, 659734, 1319468, 2309069, 4618138, 9236276, 12205079, 19462153, 24410158, 38924306, 48820316, 77848612, 85435553, 136235071, 170871106, 272470142, 341742212, 544940284, 720099661, 1440199322, 2880398644, 5040697627, 10081395254, 20162790508]

約数ペア:

[(1, 20162790508), (2, 10081395254), (4, 5040697627), (7, 2880398644), (14, 1440199322), (28, 720099661), (37, 544940284), (59, 341742212), (74, 272470142), (118, 170871106), (148, 136235071), (236, 85435553), (259, 77848612), (413, 48820316), (518, 38924306), (826, 24410158), (1036, 19462153), (1652, 12205079), (2183, 9236276), (4366, 4618138), (8732, 2309069), (15281, 1319468), (30562, 659734), (61124, 329867)]