20403780858

素因数分解:

$2^1\times 3^2\times {\mathrm{397}}^1\times {\mathrm{2855273}}^1$

素因数の和:2855678

約数の個数: 24

約数和(自身を含む): 44319563028

約数和(自身を除く): 23915782170

約数列:

[1, 2, 3, 6, 9, 18, 397, 794, 1191, 2382, 3573, 7146, 2855273, 5710546, 8565819, 17131638, 25697457, 51394914, 1133543381, 2267086762, 3400630143, 6801260286, 10201890429, 20403780858]

約数ペア:

[(1, 20403780858), (2, 10201890429), (3, 6801260286), (6, 3400630143), (9, 2267086762), (18, 1133543381), (397, 51394914), (794, 25697457), (1191, 17131638), (2382, 8565819), (3573, 5710546), (7146, 2855273)]