20138763770

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{431}}^1\times {\mathrm{161123}}^1$

素因数の和:161590

約数の個数: 32

約数和(自身を含む): 37587006720

約数和(自身を除く): 17448242950

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 431, 862, 2155, 4310, 12499, 24998, 62495, 124990, 161123, 322246, 805615, 1611230, 4672567, 9345134, 23362835, 46725670, 69444013, 138888026, 347220065, 694440130, 2013876377, 4027752754, 10069381885, 20138763770]

約数ペア:

[(1, 20138763770), (2, 10069381885), (5, 4027752754), (10, 2013876377), (29, 694440130), (58, 347220065), (145, 138888026), (290, 69444013), (431, 46725670), (862, 23362835), (2155, 9345134), (4310, 4672567), (12499, 1611230), (24998, 805615), (62495, 322246), (124990, 161123)]