20004430

素因数分解:

$2^1\times 5^1\times {\mathrm{1049}}^1\times {\mathrm{1907}}^1$

素因数の和:2963

約数の個数: 16

約数和(自身を含む): 36061200

約数和(自身を除く): 16056770

約数列:

[1, 2, 5, 10, 1049, 1907, 2098, 3814, 5245, 9535, 10490, 19070, 2000443, 4000886, 10002215, 20004430]

約数ペア:

[(1, 20004430), (2, 10002215), (5, 4000886), (10, 2000443), (1049, 19070), (1907, 10490), (2098, 9535), (3814, 5245)]