20090115070

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2273}}^1\times {\mathrm{9931}}^1$

素因数の和:12300

約数の個数: 32

約数和(自身を含む): 36588296160

約数和(自身を除く): 16498181090

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 2273, 4546, 9931, 11365, 19862, 22730, 49655, 99310, 202297, 404594, 883859, 1011485, 1767718, 2022970, 4419295, 8838590, 22573163, 45146326, 112865815, 225731630, 2009011507, 4018023014, 10045057535, 20090115070]

約数ペア:

[(1, 20090115070), (2, 10045057535), (5, 4018023014), (10, 2009011507), (89, 225731630), (178, 112865815), (445, 45146326), (890, 22573163), (2273, 8838590), (4546, 4419295), (9931, 2022970), (11365, 1767718), (19862, 1011485), (22730, 883859), (49655, 404594), (99310, 202297)]