20512759660

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{227}}^1\times {\mathrm{155801}}^1$

素因数の和:156066

約数の個数: 48

約数和(自身を含む): 44758798560

約数和(自身を除く): 24246038900

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 227, 290, 454, 580, 908, 1135, 2270, 4540, 6583, 13166, 26332, 32915, 65830, 131660, 155801, 311602, 623204, 779005, 1558010, 3116020, 4518229, 9036458, 18072916, 22591145, 35366827, 45182290, 70733654, 90364580, 141467308, 176834135, 353668270, 707336540, 1025637983, 2051275966, 4102551932, 5128189915, 10256379830, 20512759660]

約数ペア:

[(1, 20512759660), (2, 10256379830), (4, 5128189915), (5, 4102551932), (10, 2051275966), (20, 1025637983), (29, 707336540), (58, 353668270), (116, 176834135), (145, 141467308), (227, 90364580), (290, 70733654), (454, 45182290), (580, 35366827), (908, 22591145), (1135, 18072916), (2270, 9036458), (4540, 4518229), (6583, 3116020), (13166, 1558010), (26332, 779005), (32915, 623204), (65830, 311602), (131660, 155801)]