20121866

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{283}}^1\times {\mathrm{487}}^1$

素因数の和:845

約数の個数: 16

約数和(自身を含む): 30767424

約数和(自身を除く): 10645558

約数列:

[1, 2, 73, 146, 283, 487, 566, 974, 20659, 35551, 41318, 71102, 137821, 275642, 10060933, 20121866]

約数ペア:

[(1, 20121866), (2, 10060933), (73, 275642), (146, 137821), (283, 71102), (487, 41318), (566, 35551), (974, 20659)]