20013032

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{967}}^1$

素因数の和:1185

約数の個数: 32

約数和(自身を含む): 40656000

約数和(自身を除く): 20642968

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 199, 398, 796, 967, 1592, 1934, 2587, 3868, 5174, 7736, 10348, 12571, 20696, 25142, 50284, 100568, 192433, 384866, 769732, 1539464, 2501629, 5003258, 10006516, 20013032]

約数ペア:

[(1, 20013032), (2, 10006516), (4, 5003258), (8, 2501629), (13, 1539464), (26, 769732), (52, 384866), (104, 192433), (199, 100568), (398, 50284), (796, 25142), (967, 20696), (1592, 12571), (1934, 10348), (2587, 7736), (3868, 5174)]