16444820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{1163}}^1$

素因数の和:1280

約数の個数: 48

約数和(自身を含む): 39892608

約数和(自身を除く): 23447788

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 101, 140, 202, 404, 505, 707, 1010, 1163, 1414, 2020, 2326, 2828, 3535, 4652, 5815, 7070, 8141, 11630, 14140, 16282, 23260, 32564, 40705, 81410, 117463, 162820, 234926, 469852, 587315, 822241, 1174630, 1644482, 2349260, 3288964, 4111205, 8222410, 16444820]

約数ペア:

[(1, 16444820), (2, 8222410), (4, 4111205), (5, 3288964), (7, 2349260), (10, 1644482), (14, 1174630), (20, 822241), (28, 587315), (35, 469852), (70, 234926), (101, 162820), (140, 117463), (202, 81410), (404, 40705), (505, 32564), (707, 23260), (1010, 16282), (1163, 14140), (1414, 11630), (2020, 8141), (2326, 7070), (2828, 5815), (3535, 4652)]