20022990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{51341}}^1$

素因数の和:51364

約数の個数: 32

約数和(自身を含む): 51752736

約数和(自身を除く): 31729746

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 51341, 102682, 154023, 256705, 308046, 513410, 667433, 770115, 1334866, 1540230, 2002299, 3337165, 4004598, 6674330, 10011495, 20022990]

約数ペア:

[(1, 20022990), (2, 10011495), (3, 6674330), (5, 4004598), (6, 3337165), (10, 2002299), (13, 1540230), (15, 1334866), (26, 770115), (30, 667433), (39, 513410), (65, 308046), (78, 256705), (130, 154023), (195, 102682), (390, 51341)]