20177336

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{173}}^1\times {\mathrm{239}}^1$

素因数の和:479

約数の個数: 32

約数和(自身を含む): 38836800

約数和(自身を除く): 18659464

約数列:

[1, 2, 4, 8, 61, 122, 173, 239, 244, 346, 478, 488, 692, 956, 1384, 1912, 10553, 14579, 21106, 29158, 41347, 42212, 58316, 82694, 84424, 116632, 165388, 330776, 2522167, 5044334, 10088668, 20177336]

約数ペア:

[(1, 20177336), (2, 10088668), (4, 5044334), (8, 2522167), (61, 330776), (122, 165388), (173, 116632), (239, 84424), (244, 82694), (346, 58316), (478, 42212), (488, 41347), (692, 29158), (956, 21106), (1384, 14579), (1912, 10553)]