20086820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{3359}}^1$

素因数の和:3404

約数の個数: 48

約数和(自身を含む): 47416320

約数和(自身を除く): 27329500

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 65, 92, 115, 130, 230, 260, 299, 460, 598, 1196, 1495, 2990, 3359, 5980, 6718, 13436, 16795, 33590, 43667, 67180, 77257, 87334, 154514, 174668, 218335, 309028, 386285, 436670, 772570, 873340, 1004341, 1545140, 2008682, 4017364, 5021705, 10043410, 20086820]

約数ペア:

[(1, 20086820), (2, 10043410), (4, 5021705), (5, 4017364), (10, 2008682), (13, 1545140), (20, 1004341), (23, 873340), (26, 772570), (46, 436670), (52, 386285), (65, 309028), (92, 218335), (115, 174668), (130, 154514), (230, 87334), (260, 77257), (299, 67180), (460, 43667), (598, 33590), (1196, 16795), (1495, 13436), (2990, 6718), (3359, 5980)]