20764658540

素因数分解:

$2^2\times 5^1\times {\mathrm{523}}^1\times {\mathrm{859}}^1\times {\mathrm{2311}}^1$

素因数の和:3702

約数の個数: 48

約数和(自身を含む): 43758946560

約数和(自身を除く): 22994288020

約数列:

[1, 2, 4, 5, 10, 20, 523, 859, 1046, 1718, 2092, 2311, 2615, 3436, 4295, 4622, 5230, 8590, 9244, 10460, 11555, 17180, 23110, 46220, 449257, 898514, 1208653, 1797028, 1985149, 2246285, 2417306, 3970298, 4492570, 4834612, 6043265, 7940596, 8985140, 9925745, 12086530, 19851490, 24173060, 39702980, 1038232927, 2076465854, 4152931708, 5191164635, 10382329270, 20764658540]

約数ペア:

[(1, 20764658540), (2, 10382329270), (4, 5191164635), (5, 4152931708), (10, 2076465854), (20, 1038232927), (523, 39702980), (859, 24173060), (1046, 19851490), (1718, 12086530), (2092, 9925745), (2311, 8985140), (2615, 7940596), (3436, 6043265), (4295, 4834612), (4622, 4492570), (5230, 3970298), (8590, 2417306), (9244, 2246285), (10460, 1985149), (11555, 1797028), (17180, 1208653), (23110, 898514), (46220, 449257)]