20921450110

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1303}}^1\times {\mathrm{145967}}^1$

素因数の和:147288

約数の個数: 32

約数和(自身を含む): 41113930752

約数和(自身を除く): 20192480642

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 1303, 2606, 6515, 13030, 14333, 28666, 71665, 143330, 145967, 291934, 729835, 1459670, 1605637, 3211274, 8028185, 16056370, 190195001, 380390002, 950975005, 1901950010, 2092145011, 4184290022, 10460725055, 20921450110]

約数ペア:

[(1, 20921450110), (2, 10460725055), (5, 4184290022), (10, 2092145011), (11, 1901950010), (22, 950975005), (55, 380390002), (110, 190195001), (1303, 16056370), (2606, 8028185), (6515, 3211274), (13030, 1605637), (14333, 1459670), (28666, 729835), (71665, 291934), (143330, 145967)]