20878528

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{631}}^1$

素因数の和:701

約数の個数: 56

約数和(自身を含む): 46232064

約数和(自身を除く): 25353536

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 47, 64, 88, 94, 176, 188, 352, 376, 517, 631, 704, 752, 1034, 1262, 1504, 2068, 2524, 3008, 4136, 5048, 6941, 8272, 10096, 13882, 16544, 20192, 27764, 29657, 33088, 40384, 55528, 59314, 111056, 118628, 222112, 237256, 326227, 444224, 474512, 652454, 949024, 1304908, 1898048, 2609816, 5219632, 10439264, 20878528]

約数ペア:

[(1, 20878528), (2, 10439264), (4, 5219632), (8, 2609816), (11, 1898048), (16, 1304908), (22, 949024), (32, 652454), (44, 474512), (47, 444224), (64, 326227), (88, 237256), (94, 222112), (176, 118628), (188, 111056), (352, 59314), (376, 55528), (517, 40384), (631, 33088), (704, 29657), (752, 27764), (1034, 20192), (1262, 16544), (1504, 13882), (2068, 10096), (2524, 8272), (3008, 6941), (4136, 5048)]