20136560

素因数分解:

$2^4\times 5^1\times {\mathrm{251707}}^1$

素因数の和:251720

約数の個数: 20

約数和(自身を含む): 46817688

約数和(自身を除く): 26681128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 251707, 503414, 1006828, 1258535, 2013656, 2517070, 4027312, 5034140, 10068280, 20136560]

約数ペア:

[(1, 20136560), (2, 10068280), (4, 5034140), (5, 4027312), (8, 2517070), (10, 2013656), (16, 1258535), (20, 1006828), (40, 503414), (80, 251707)]