20000823

素因数分解:

$3^1\times {\mathrm{17}}^3\times {\mathrm{23}}^1\times {\mathrm{59}}^1$

素因数の和:136

約数の個数: 32

約数和(自身を含む): 30067200

約数和(自身を除く): 10066377

約数列:

[1, 3, 17, 23, 51, 59, 69, 177, 289, 391, 867, 1003, 1173, 1357, 3009, 4071, 4913, 6647, 14739, 17051, 19941, 23069, 51153, 69207, 112999, 289867, 338997, 392173, 869601, 1176519, 6666941, 20000823]

約数ペア:

[(1, 20000823), (3, 6666941), (17, 1176519), (23, 869601), (51, 392173), (59, 338997), (69, 289867), (177, 112999), (289, 69207), (391, 51153), (867, 23069), (1003, 19941), (1173, 17051), (1357, 14739), (3009, 6647), (4071, 4913)]