20039129660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{2221633}}^1$

素因数の和:2221694

約数の個数: 48

約数和(自身を含む): 47027548512

約数和(自身を除く): 26988418852

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 164, 205, 220, 410, 451, 820, 902, 1804, 2255, 4510, 9020, 2221633, 4443266, 8886532, 11108165, 22216330, 24437963, 44432660, 48875926, 91086953, 97751852, 122189815, 182173906, 244379630, 364347812, 455434765, 488759260, 910869530, 1001956483, 1821739060, 2003912966, 4007825932, 5009782415, 10019564830, 20039129660]

約数ペア:

[(1, 20039129660), (2, 10019564830), (4, 5009782415), (5, 4007825932), (10, 2003912966), (11, 1821739060), (20, 1001956483), (22, 910869530), (41, 488759260), (44, 455434765), (55, 364347812), (82, 244379630), (110, 182173906), (164, 122189815), (205, 97751852), (220, 91086953), (410, 48875926), (451, 44432660), (820, 24437963), (902, 22216330), (1804, 11108165), (2255, 8886532), (4510, 4443266), (9020, 2221633)]