20558252

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{283}}^1$

素因数の和:438

約数の個数: 48

約数和(自身を含む): 42749952

約数和(自身を除く): 22191700

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 127, 143, 254, 283, 286, 508, 566, 572, 1132, 1397, 1651, 2794, 3113, 3302, 3679, 5588, 6226, 6604, 7358, 12452, 14716, 18161, 35941, 36322, 40469, 71882, 72644, 80938, 143764, 161876, 395351, 467233, 790702, 934466, 1581404, 1868932, 5139563, 10279126, 20558252]

約数ペア:

[(1, 20558252), (2, 10279126), (4, 5139563), (11, 1868932), (13, 1581404), (22, 934466), (26, 790702), (44, 467233), (52, 395351), (127, 161876), (143, 143764), (254, 80938), (283, 72644), (286, 71882), (508, 40469), (566, 36322), (572, 35941), (1132, 18161), (1397, 14716), (1651, 12452), (2794, 7358), (3113, 6604), (3302, 6226), (3679, 5588)]