20487572

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{1097}}^1$

素因数の和:1160

約数の個数: 48

約数和(自身を含む): 44271360

約数和(自身を除く): 23783788

約数列:

[1, 2, 4, 7, 14, 23, 28, 29, 46, 58, 92, 116, 161, 203, 322, 406, 644, 667, 812, 1097, 1334, 2194, 2668, 4388, 4669, 7679, 9338, 15358, 18676, 25231, 30716, 31813, 50462, 63626, 100924, 127252, 176617, 222691, 353234, 445382, 706468, 731699, 890764, 1463398, 2926796, 5121893, 10243786, 20487572]

約数ペア:

[(1, 20487572), (2, 10243786), (4, 5121893), (7, 2926796), (14, 1463398), (23, 890764), (28, 731699), (29, 706468), (46, 445382), (58, 353234), (92, 222691), (116, 176617), (161, 127252), (203, 100924), (322, 63626), (406, 50462), (644, 31813), (667, 30716), (812, 25231), (1097, 18676), (1334, 15358), (2194, 9338), (2668, 7679), (4388, 4669)]