20621271

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{269}}^1$

素因数の和:407

約数の個数: 32

約数和(自身を含む): 31726080

約数和(自身を除く): 11104809

約数列:

[1, 3, 11, 23, 33, 69, 101, 253, 269, 303, 759, 807, 1111, 2323, 2959, 3333, 6187, 6969, 8877, 18561, 25553, 27169, 68057, 76659, 81507, 204171, 298859, 624887, 896577, 1874661, 6873757, 20621271]

約数ペア:

[(1, 20621271), (3, 6873757), (11, 1874661), (23, 896577), (33, 624887), (69, 298859), (101, 204171), (253, 81507), (269, 76659), (303, 68057), (759, 27169), (807, 25553), (1111, 18561), (2323, 8877), (2959, 6969), (3333, 6187)]