20344168

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{983}}^1$

素因数の和:1201

約数の個数: 32

約数和(自身を含む): 41328000

約数和(自身を除く): 20983832

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 199, 398, 796, 983, 1592, 1966, 2587, 3932, 5174, 7864, 10348, 12779, 20696, 25558, 51116, 102232, 195617, 391234, 782468, 1564936, 2543021, 5086042, 10172084, 20344168]

約数ペア:

[(1, 20344168), (2, 10172084), (4, 5086042), (8, 2543021), (13, 1564936), (26, 782468), (52, 391234), (104, 195617), (199, 102232), (398, 51116), (796, 25558), (983, 20696), (1592, 12779), (1966, 10348), (2587, 7864), (3932, 5174)]