20056640

素因数分解:

$2^6\times 5^1\times {\mathrm{233}}^1\times {\mathrm{269}}^1$

素因数の和:519

約数の個数: 56

約数和(自身を含む): 48143160

約数和(自身を除く): 28086520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 233, 269, 320, 466, 538, 932, 1076, 1165, 1345, 1864, 2152, 2330, 2690, 3728, 4304, 4660, 5380, 7456, 8608, 9320, 10760, 14912, 17216, 18640, 21520, 37280, 43040, 62677, 74560, 86080, 125354, 250708, 313385, 501416, 626770, 1002832, 1253540, 2005664, 2507080, 4011328, 5014160, 10028320, 20056640]

約数ペア:

[(1, 20056640), (2, 10028320), (4, 5014160), (5, 4011328), (8, 2507080), (10, 2005664), (16, 1253540), (20, 1002832), (32, 626770), (40, 501416), (64, 313385), (80, 250708), (160, 125354), (233, 86080), (269, 74560), (320, 62677), (466, 43040), (538, 37280), (932, 21520), (1076, 18640), (1165, 17216), (1345, 14912), (1864, 10760), (2152, 9320), (2330, 8608), (2690, 7456), (3728, 5380), (4304, 4660)]