20566010

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{487}}^1$

素因数の和:638

約数の個数: 32

約数和(自身を含む): 38368512

約数和(自身を除く): 17802502

約数列:

[1, 2, 5, 10, 41, 82, 103, 205, 206, 410, 487, 515, 974, 1030, 2435, 4223, 4870, 8446, 19967, 21115, 39934, 42230, 50161, 99835, 100322, 199670, 250805, 501610, 2056601, 4113202, 10283005, 20566010]

約数ペア:

[(1, 20566010), (2, 10283005), (5, 4113202), (10, 2056601), (41, 501610), (82, 250805), (103, 199670), (205, 100322), (206, 99835), (410, 50161), (487, 42230), (515, 39934), (974, 21115), (1030, 19967), (2435, 8446), (4223, 4870)]