20225361968

素因数分解:

$2^4\times 7^1\times {\mathrm{8431}}^1\times {\mathrm{21419}}^1$

素因数の和:29865

約数の個数: 40

約数和(自身を含む): 44792133120

約数和(自身を除く): 24566771152

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 8431, 16862, 21419, 33724, 42838, 59017, 67448, 85676, 118034, 134896, 149933, 171352, 236068, 299866, 342704, 472136, 599732, 944272, 1199464, 2398928, 180583589, 361167178, 722334356, 1264085123, 1444668712, 2528170246, 2889337424, 5056340492, 10112680984, 20225361968]

約数ペア:

[(1, 20225361968), (2, 10112680984), (4, 5056340492), (7, 2889337424), (8, 2528170246), (14, 1444668712), (16, 1264085123), (28, 722334356), (56, 361167178), (112, 180583589), (8431, 2398928), (16862, 1199464), (21419, 944272), (33724, 599732), (42838, 472136), (59017, 342704), (67448, 299866), (85676, 236068), (118034, 171352), (134896, 149933)]