20148735

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{18919}}^1$

素因数の和:18998

約数の個数: 16

約数和(自身を含む): 32693760

約数和(自身を除く): 12545025

約数列:

[1, 3, 5, 15, 71, 213, 355, 1065, 18919, 56757, 94595, 283785, 1343249, 4029747, 6716245, 20148735]

約数ペア:

[(1, 20148735), (3, 6716245), (5, 4029747), (15, 1343249), (71, 283785), (213, 94595), (355, 56757), (1065, 18919)]