20904

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1$

素因数の和:89

約数の個数: 32

約数和(自身を含む): 57120

約数和(自身を除く): 36216

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 67, 78, 104, 134, 156, 201, 268, 312, 402, 536, 804, 871, 1608, 1742, 2613, 3484, 5226, 6968, 10452, 20904]

約数ペア:

[(1, 20904), (2, 10452), (3, 6968), (4, 5226), (6, 3484), (8, 2613), (12, 1742), (13, 1608), (24, 871), (26, 804), (39, 536), (52, 402), (67, 312), (78, 268), (104, 201), (134, 156)]