20764688

素因数分解:

$2^4\times 7^1\times {\mathrm{397}}^1\times {\mathrm{467}}^1$

素因数の和:879

約数の個数: 40

約数和(自身を含む): 46193472

約数和(自身を除く): 25428784

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 397, 467, 794, 934, 1588, 1868, 2779, 3176, 3269, 3736, 5558, 6352, 6538, 7472, 11116, 13076, 22232, 26152, 44464, 52304, 185399, 370798, 741596, 1297793, 1483192, 2595586, 2966384, 5191172, 10382344, 20764688]

約数ペア:

[(1, 20764688), (2, 10382344), (4, 5191172), (7, 2966384), (8, 2595586), (14, 1483192), (16, 1297793), (28, 741596), (56, 370798), (112, 185399), (397, 52304), (467, 44464), (794, 26152), (934, 22232), (1588, 13076), (1868, 11116), (2779, 7472), (3176, 6538), (3269, 6352), (3736, 5558)]