20922555

素因数分解:

$3^1\times 5^1\times {\mathrm{271}}^1\times {\mathrm{5147}}^1$

素因数の和:5426

約数の個数: 16

約数和(自身を含む): 33606144

約数和(自身を除く): 12683589

約数列:

[1, 3, 5, 15, 271, 813, 1355, 4065, 5147, 15441, 25735, 77205, 1394837, 4184511, 6974185, 20922555]

約数ペア:

[(1, 20922555), (3, 6974185), (5, 4184511), (15, 1394837), (271, 77205), (813, 25735), (1355, 15441), (4065, 5147)]