20749788

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{18593}}^1$

素因数の和:18634

約数の個数: 36

約数和(自身を含む): 54145728

約数和(自身を除く): 33395940

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 186, 279, 372, 558, 1116, 18593, 37186, 55779, 74372, 111558, 167337, 223116, 334674, 576383, 669348, 1152766, 1729149, 2305532, 3458298, 5187447, 6916596, 10374894, 20749788]

約数ペア:

[(1, 20749788), (2, 10374894), (3, 6916596), (4, 5187447), (6, 3458298), (9, 2305532), (12, 1729149), (18, 1152766), (31, 669348), (36, 576383), (62, 334674), (93, 223116), (124, 167337), (186, 111558), (279, 74372), (372, 55779), (558, 37186), (1116, 18593)]