19980930140

素因数分解:

$2^2\times 5^1\times {\mathrm{601}}^1\times {\mathrm{1662307}}^1$

素因数の和:1662917

約数の個数: 24

約数和(自身を含む): 42029795472

約数和(自身を除く): 22048865332

約数列:

[1, 2, 4, 5, 10, 20, 601, 1202, 2404, 3005, 6010, 12020, 1662307, 3324614, 6649228, 8311535, 16623070, 33246140, 999046507, 1998093014, 3996186028, 4995232535, 9990465070, 19980930140]

約数ペア:

[(1, 19980930140), (2, 9990465070), (4, 4995232535), (5, 3996186028), (10, 1998093014), (20, 999046507), (601, 33246140), (1202, 16623070), (2404, 8311535), (3005, 6649228), (6010, 3324614), (12020, 1662307)]