20101796

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{311}}^1$

素因数の和:452

約数の個数: 48

約数和(自身を含む): 41827968

約数和(自身を除く): 21726172

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 113, 143, 226, 286, 311, 452, 572, 622, 1243, 1244, 1469, 2486, 2938, 3421, 4043, 4972, 5876, 6842, 8086, 13684, 16159, 16172, 32318, 35143, 44473, 64636, 70286, 88946, 140572, 177892, 386573, 456859, 773146, 913718, 1546292, 1827436, 5025449, 10050898, 20101796]

約数ペア:

[(1, 20101796), (2, 10050898), (4, 5025449), (11, 1827436), (13, 1546292), (22, 913718), (26, 773146), (44, 456859), (52, 386573), (113, 177892), (143, 140572), (226, 88946), (286, 70286), (311, 64636), (452, 44473), (572, 35143), (622, 32318), (1243, 16172), (1244, 16159), (1469, 13684), (2486, 8086), (2938, 6842), (3421, 5876), (4043, 4972)]