20909226

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{4001}}^1$

素因数の和:4086

約数の個数: 32

約数和(自身を含む): 45718848

約数和(自身を除く): 24809622

約数列:

[1, 2, 3, 6, 13, 26, 39, 67, 78, 134, 201, 402, 871, 1742, 2613, 4001, 5226, 8002, 12003, 24006, 52013, 104026, 156039, 268067, 312078, 536134, 804201, 1608402, 3484871, 6969742, 10454613, 20909226]

約数ペア:

[(1, 20909226), (2, 10454613), (3, 6969742), (6, 3484871), (13, 1608402), (26, 804201), (39, 536134), (67, 312078), (78, 268067), (134, 156039), (201, 104026), (402, 52013), (871, 24006), (1742, 12003), (2613, 8002), (4001, 5226)]