20007858

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{1289}}^1$

素因数の和:1506

約数の個数: 32

約数和(自身を含む): 43344000

約数和(自身を除く): 23336142

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 199, 398, 597, 1194, 1289, 2578, 2587, 3867, 5174, 7734, 7761, 15522, 16757, 33514, 50271, 100542, 256511, 513022, 769533, 1539066, 3334643, 6669286, 10003929, 20007858]

約数ペア:

[(1, 20007858), (2, 10003929), (3, 6669286), (6, 3334643), (13, 1539066), (26, 769533), (39, 513022), (78, 256511), (199, 100542), (398, 50271), (597, 33514), (1194, 16757), (1289, 15522), (2578, 7761), (2587, 7734), (3867, 5174)]