20313655

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{197}}^1\times {\mathrm{503}}^1$

素因数の和:746

約数の個数: 16

約数和(自身を含む): 25147584

約数和(自身を除く): 4833929

約数列:

[1, 5, 41, 197, 205, 503, 985, 2515, 8077, 20623, 40385, 99091, 103115, 495455, 4062731, 20313655]

約数ペア:

[(1, 20313655), (5, 4062731), (41, 495455), (197, 103115), (205, 99091), (503, 40385), (985, 20623), (2515, 8077)]