20643610

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{9341}}^1$

素因数の和:9378

約数の個数: 32

約数和(自身を含む): 42375312

約数和(自身を除く): 21731702

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1105, 2210, 9341, 18682, 46705, 93410, 121433, 158797, 242866, 317594, 607165, 793985, 1214330, 1587970, 2064361, 4128722, 10321805, 20643610]

約数ペア:

[(1, 20643610), (2, 10321805), (5, 4128722), (10, 2064361), (13, 1587970), (17, 1214330), (26, 793985), (34, 607165), (65, 317594), (85, 242866), (130, 158797), (170, 121433), (221, 93410), (442, 46705), (1105, 18682), (2210, 9341)]