20393044

素因数分解:

$2^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{4639}}^1$

素因数の和:4807

約数の個数: 24

約数和(自身を含む): 41054720

約数和(自身を除く): 20661676

約数列:

[1, 2, 4, 7, 14, 28, 157, 314, 628, 1099, 2198, 4396, 4639, 9278, 18556, 32473, 64946, 129892, 728323, 1456646, 2913292, 5098261, 10196522, 20393044]

約数ペア:

[(1, 20393044), (2, 10196522), (4, 5098261), (7, 2913292), (14, 1456646), (28, 728323), (157, 129892), (314, 64946), (628, 32473), (1099, 18556), (2198, 9278), (4396, 4639)]