20877015

素因数分解:

$3^1\times 5^1\times {\mathrm{503}}^1\times {\mathrm{2767}}^1$

素因数の和:3278

約数の個数: 16

約数和(自身を含む): 33481728

約数和(自身を除く): 12604713

約数列:

[1, 3, 5, 15, 503, 1509, 2515, 2767, 7545, 8301, 13835, 41505, 1391801, 4175403, 6959005, 20877015]

約数ペア:

[(1, 20877015), (3, 6959005), (5, 4175403), (15, 1391801), (503, 41505), (1509, 13835), (2515, 8301), (2767, 7545)]