20072931280

素因数分解:

$2^4\times 5^1\times {\mathrm{113}}^1\times {\mathrm{2220457}}^1$

素因数の和:2220583

約数の個数: 40

約数和(自身を含む): 47082591432

約数和(自身を除く): 27009660152

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 113, 226, 452, 565, 904, 1130, 1808, 2260, 4520, 9040, 2220457, 4440914, 8881828, 11102285, 17763656, 22204570, 35527312, 44409140, 88818280, 177636560, 250911641, 501823282, 1003646564, 1254558205, 2007293128, 2509116410, 4014586256, 5018232820, 10036465640, 20072931280]

約数ペア:

[(1, 20072931280), (2, 10036465640), (4, 5018232820), (5, 4014586256), (8, 2509116410), (10, 2007293128), (16, 1254558205), (20, 1003646564), (40, 501823282), (80, 250911641), (113, 177636560), (226, 88818280), (452, 44409140), (565, 35527312), (904, 22204570), (1130, 17763656), (1808, 11102285), (2260, 8881828), (4520, 4440914), (9040, 2220457)]