20802708

素因数分解:

$2^2\times 3^2\times {\mathrm{61}}^1\times {\mathrm{9473}}^1$

素因数の和:9544

約数の個数: 36

約数和(自身を含む): 53452308

約数和(自身を除く): 32649600

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 61, 122, 183, 244, 366, 549, 732, 1098, 2196, 9473, 18946, 28419, 37892, 56838, 85257, 113676, 170514, 341028, 577853, 1155706, 1733559, 2311412, 3467118, 5200677, 6934236, 10401354, 20802708]

約数ペア:

[(1, 20802708), (2, 10401354), (3, 6934236), (4, 5200677), (6, 3467118), (9, 2311412), (12, 1733559), (18, 1155706), (36, 577853), (61, 341028), (122, 170514), (183, 113676), (244, 85257), (366, 56838), (549, 37892), (732, 28419), (1098, 18946), (2196, 9473)]