20397276

素因数分解:

$2^2\times 3^2\times {\mathrm{241}}^1\times {\mathrm{2351}}^1$

素因数の和:2602

約数の個数: 36

約数和(自身を含む): 51795744

約数和(自身を除く): 31398468

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 241, 482, 723, 964, 1446, 2169, 2351, 2892, 4338, 4702, 7053, 8676, 9404, 14106, 21159, 28212, 42318, 84636, 566591, 1133182, 1699773, 2266364, 3399546, 5099319, 6799092, 10198638, 20397276]

約数ペア:

[(1, 20397276), (2, 10198638), (3, 6799092), (4, 5099319), (6, 3399546), (9, 2266364), (12, 1699773), (18, 1133182), (36, 566591), (241, 84636), (482, 42318), (723, 28212), (964, 21159), (1446, 14106), (2169, 9404), (2351, 8676), (2892, 7053), (4338, 4702)]