20996844

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{2179}}^1$

素因数の和:2270

約数の個数: 48

約数和(自身を含む): 54203520

約数和(自身を除く): 33206676

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 73, 132, 146, 219, 292, 438, 803, 876, 1606, 2179, 2409, 3212, 4358, 4818, 6537, 8716, 9636, 13074, 23969, 26148, 47938, 71907, 95876, 143814, 159067, 287628, 318134, 477201, 636268, 954402, 1749737, 1908804, 3499474, 5249211, 6998948, 10498422, 20996844]

約数ペア:

[(1, 20996844), (2, 10498422), (3, 6998948), (4, 5249211), (6, 3499474), (11, 1908804), (12, 1749737), (22, 954402), (33, 636268), (44, 477201), (66, 318134), (73, 287628), (132, 159067), (146, 143814), (219, 95876), (292, 71907), (438, 47938), (803, 26148), (876, 23969), (1606, 13074), (2179, 9636), (2409, 8716), (3212, 6537), (4358, 4818)]