20144740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{127}}^1$

素因数の和:257

約数の個数: 96

約数和(自身を含む): 53673984

約数和(自身を除く): 33529244

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 103, 110, 127, 140, 154, 206, 220, 254, 308, 385, 412, 508, 515, 635, 721, 770, 889, 1030, 1133, 1270, 1397, 1442, 1540, 1778, 2060, 2266, 2540, 2794, 2884, 3556, 3605, 4445, 4532, 5588, 5665, 6985, 7210, 7931, 8890, 9779, 11330, 13081, 13970, 14420, 15862, 17780, 19558, 22660, 26162, 27940, 31724, 39116, 39655, 48895, 52324, 65405, 79310, 91567, 97790, 130810, 143891, 158620, 183134, 195580, 261620, 287782, 366268, 457835, 575564, 719455, 915670, 1007237, 1438910, 1831340, 2014474, 2877820, 4028948, 5036185, 10072370, 20144740]

約数ペア:

[(1, 20144740), (2, 10072370), (4, 5036185), (5, 4028948), (7, 2877820), (10, 2014474), (11, 1831340), (14, 1438910), (20, 1007237), (22, 915670), (28, 719455), (35, 575564), (44, 457835), (55, 366268), (70, 287782), (77, 261620), (103, 195580), (110, 183134), (127, 158620), (140, 143891), (154, 130810), (206, 97790), (220, 91567), (254, 79310), (308, 65405), (385, 52324), (412, 48895), (508, 39655), (515, 39116), (635, 31724), (721, 27940), (770, 26162), (889, 22660), (1030, 19558), (1133, 17780), (1270, 15862), (1397, 14420), (1442, 13970), (1540, 13081), (1778, 11330), (2060, 9779), (2266, 8890), (2540, 7931), (2794, 7210), (2884, 6985), (3556, 5665), (3605, 5588), (4445, 4532)]