20737505

素因数分解:

$5^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1\times {\mathrm{601}}^1$

素因数の和:776

約数の個数: 16

約数和(自身を含む): 25544064

約数和(自身を除く): 4806559

約数列:

[1, 5, 67, 103, 335, 515, 601, 3005, 6901, 34505, 40267, 61903, 201335, 309515, 4147501, 20737505]

約数ペア:

[(1, 20737505), (5, 4147501), (67, 309515), (103, 201335), (335, 61903), (515, 40267), (601, 34505), (3005, 6901)]