20245963660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{689107}}^1$

素因数の和:689242

約数の個数: 48

約数和(自身を含む): 46192287456

約数和(自身を除く): 25946323796

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 113, 130, 226, 260, 452, 565, 1130, 1469, 2260, 2938, 5876, 7345, 14690, 29380, 689107, 1378214, 2756428, 3445535, 6891070, 8958391, 13782140, 17916782, 35833564, 44791955, 77869091, 89583910, 155738182, 179167820, 311476364, 389345455, 778690910, 1012298183, 1557381820, 2024596366, 4049192732, 5061490915, 10122981830, 20245963660]

約数ペア:

[(1, 20245963660), (2, 10122981830), (4, 5061490915), (5, 4049192732), (10, 2024596366), (13, 1557381820), (20, 1012298183), (26, 778690910), (52, 389345455), (65, 311476364), (113, 179167820), (130, 155738182), (226, 89583910), (260, 77869091), (452, 44791955), (565, 35833564), (1130, 17916782), (1469, 13782140), (2260, 8958391), (2938, 6891070), (5876, 3445535), (7345, 2756428), (14690, 1378214), (29380, 689107)]