20891192

素因数分解:

$2^3\times 7^1\times {\mathrm{59}}^1\times {\mathrm{6323}}^1$

素因数の和:6395

約数の個数: 32

約数和(自身を含む): 45532800

約数和(自身を除く): 24641608

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 59, 118, 236, 413, 472, 826, 1652, 3304, 6323, 12646, 25292, 44261, 50584, 88522, 177044, 354088, 373057, 746114, 1492228, 2611399, 2984456, 5222798, 10445596, 20891192]

約数ペア:

[(1, 20891192), (2, 10445596), (4, 5222798), (7, 2984456), (8, 2611399), (14, 1492228), (28, 746114), (56, 373057), (59, 354088), (118, 177044), (236, 88522), (413, 50584), (472, 44261), (826, 25292), (1652, 12646), (3304, 6323)]