20705256483

素因数分解:

$3^1\times {\mathrm{131}}^1\times {\mathrm{137}}^1\times {\mathrm{373}}^1\times {\mathrm{1031}}^1$

素因数の和:1675

約数の個数: 32

約数和(自身を含む): 28123172352

約数和(自身を除く): 7417915869

約数列:

[1, 3, 131, 137, 373, 393, 411, 1031, 1119, 3093, 17947, 48863, 51101, 53841, 135061, 141247, 146589, 153303, 384563, 405183, 423741, 1153689, 6694231, 18503357, 20082693, 50377753, 52685131, 55510071, 151133259, 158055393, 6901752161, 20705256483]

約数ペア:

[(1, 20705256483), (3, 6901752161), (131, 158055393), (137, 151133259), (373, 55510071), (393, 52685131), (411, 50377753), (1031, 20082693), (1119, 18503357), (3093, 6694231), (17947, 1153689), (48863, 423741), (51101, 405183), (53841, 384563), (135061, 153303), (141247, 146589)]