20099912

素因数分解:

$2^3\times 7^1\times {\mathrm{151}}^1\times {\mathrm{2377}}^1$

素因数の和:2541

約数の個数: 32

約数和(自身を含む): 43374720

約数和(自身を除く): 23274808

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 151, 302, 604, 1057, 1208, 2114, 2377, 4228, 4754, 8456, 9508, 16639, 19016, 33278, 66556, 133112, 358927, 717854, 1435708, 2512489, 2871416, 5024978, 10049956, 20099912]

約数ペア:

[(1, 20099912), (2, 10049956), (4, 5024978), (7, 2871416), (8, 2512489), (14, 1435708), (28, 717854), (56, 358927), (151, 133112), (302, 66556), (604, 33278), (1057, 19016), (1208, 16639), (2114, 9508), (2377, 8456), (4228, 4754)]