20669094

素因数分解:

$2^1\times 3^5\times {\mathrm{71}}^1\times {\mathrm{599}}^1$

素因数の和:687

約数の個数: 48

約数和(自身を含む): 47174400

約数和(自身を除く): 26505306

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 71, 81, 142, 162, 213, 243, 426, 486, 599, 639, 1198, 1278, 1797, 1917, 3594, 3834, 5391, 5751, 10782, 11502, 16173, 17253, 32346, 34506, 42529, 48519, 85058, 97038, 127587, 145557, 255174, 291114, 382761, 765522, 1148283, 2296566, 3444849, 6889698, 10334547, 20669094]

約数ペア:

[(1, 20669094), (2, 10334547), (3, 6889698), (6, 3444849), (9, 2296566), (18, 1148283), (27, 765522), (54, 382761), (71, 291114), (81, 255174), (142, 145557), (162, 127587), (213, 97038), (243, 85058), (426, 48519), (486, 42529), (599, 34506), (639, 32346), (1198, 17253), (1278, 16173), (1797, 11502), (1917, 10782), (3594, 5751), (3834, 5391)]