20619678

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{499}}^1$

素因数の和:672

約数の個数: 32

約数和(自身を含む): 42336000

約数和(自身を除く): 21716322

約数列:

[1, 2, 3, 6, 71, 97, 142, 194, 213, 291, 426, 499, 582, 998, 1497, 2994, 6887, 13774, 20661, 35429, 41322, 48403, 70858, 96806, 106287, 145209, 212574, 290418, 3436613, 6873226, 10309839, 20619678]

約数ペア:

[(1, 20619678), (2, 10309839), (3, 6873226), (6, 3436613), (71, 290418), (97, 212574), (142, 145209), (194, 106287), (213, 96806), (291, 70858), (426, 48403), (499, 41322), (582, 35429), (998, 20661), (1497, 13774), (2994, 6887)]