20208621

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{127}}^1$

素因数の和:249

約数の個数: 32

約数和(自身を含む): 29491200

約数和(自身を除く): 9282579

約数列:

[1, 3, 29, 31, 59, 87, 93, 127, 177, 381, 899, 1711, 1829, 2697, 3683, 3937, 5133, 5487, 7493, 11049, 11811, 22479, 53041, 114173, 159123, 217297, 232283, 342519, 651891, 696849, 6736207, 20208621]

約数ペア:

[(1, 20208621), (3, 6736207), (29, 696849), (31, 651891), (59, 342519), (87, 232283), (93, 217297), (127, 159123), (177, 114173), (381, 53041), (899, 22479), (1711, 11811), (1829, 11049), (2697, 7493), (3683, 5487), (3937, 5133)]