20472015

素因数分解:

$3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{8693}}^1$

素因数の和:8858

約数の個数: 16

約数和(自身を含む): 32967648

約数和(自身を除く): 12495633

約数列:

[1, 3, 5, 15, 157, 471, 785, 2355, 8693, 26079, 43465, 130395, 1364801, 4094403, 6824005, 20472015]

約数ペア:

[(1, 20472015), (3, 6824005), (5, 4094403), (15, 1364801), (157, 130395), (471, 43465), (785, 26079), (2355, 8693)]