20945452

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{6521}}^1$

素因数の和:6609

約数の個数: 24

約数和(自身を含む): 40540752

約数和(自身を除く): 19595300

約数列:

[1, 2, 4, 11, 22, 44, 73, 146, 292, 803, 1606, 3212, 6521, 13042, 26084, 71731, 143462, 286924, 476033, 952066, 1904132, 5236363, 10472726, 20945452]

約数ペア:

[(1, 20945452), (2, 10472726), (4, 5236363), (11, 1904132), (22, 952066), (44, 476033), (73, 286924), (146, 143462), (292, 71731), (803, 26084), (1606, 13042), (3212, 6521)]