20879976

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{66923}}^1$

素因数の和:66945

約数の個数: 32

約数和(自身を含む): 56216160

約数和(自身を除く): 35336184

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 66923, 133846, 200769, 267692, 401538, 535384, 803076, 869999, 1606152, 1739998, 2609997, 3479996, 5219994, 6959992, 10439988, 20879976]

約数ペア:

[(1, 20879976), (2, 10439988), (3, 6959992), (4, 5219994), (6, 3479996), (8, 2609997), (12, 1739998), (13, 1606152), (24, 869999), (26, 803076), (39, 535384), (52, 401538), (78, 267692), (104, 200769), (156, 133846), (312, 66923)]