20481824

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1877}}^1$

素因数の和:1929

約数の個数: 48

約数和(自身を含む): 45432576

約数和(自身を除く): 24950752

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 32, 44, 62, 88, 124, 176, 248, 341, 352, 496, 682, 992, 1364, 1877, 2728, 3754, 5456, 7508, 10912, 15016, 20647, 30032, 41294, 58187, 60064, 82588, 116374, 165176, 232748, 330352, 465496, 640057, 660704, 930992, 1280114, 1861984, 2560228, 5120456, 10240912, 20481824]

約数ペア:

[(1, 20481824), (2, 10240912), (4, 5120456), (8, 2560228), (11, 1861984), (16, 1280114), (22, 930992), (31, 660704), (32, 640057), (44, 465496), (62, 330352), (88, 232748), (124, 165176), (176, 116374), (248, 82588), (341, 60064), (352, 58187), (496, 41294), (682, 30032), (992, 20647), (1364, 15016), (1877, 10912), (2728, 7508), (3754, 5456)]