20867898

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{743}}^1$

素因数の和:930

約数の個数: 32

約数和(自身を含む): 43425792

約数和(自身を除く): 22557894

約数列:

[1, 2, 3, 6, 31, 62, 93, 151, 186, 302, 453, 743, 906, 1486, 2229, 4458, 4681, 9362, 14043, 23033, 28086, 46066, 69099, 112193, 138198, 224386, 336579, 673158, 3477983, 6955966, 10433949, 20867898]

約数ペア:

[(1, 20867898), (2, 10433949), (3, 6955966), (6, 3477983), (31, 673158), (62, 336579), (93, 224386), (151, 138198), (186, 112193), (302, 69099), (453, 46066), (743, 28086), (906, 23033), (1486, 14043), (2229, 9362), (4458, 4681)]