20191995385

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{1021}}^1\times {\mathrm{2017}}^1$

素因数の和:3133

約数の個数: 32

約数和(自身を含む): 25392219552

約数和(自身を除く): 5200224167

約数列:

[1, 5, 37, 53, 185, 265, 1021, 1961, 2017, 5105, 9805, 10085, 37777, 54113, 74629, 106901, 188885, 270565, 373145, 534505, 2002181, 2059357, 3955337, 10010905, 10296785, 19776685, 76196209, 109145921, 380981045, 545729605, 4038399077, 20191995385]

約数ペア:

[(1, 20191995385), (5, 4038399077), (37, 545729605), (53, 380981045), (185, 109145921), (265, 76196209), (1021, 19776685), (1961, 10296785), (2017, 10010905), (5105, 3955337), (9805, 2059357), (10085, 2002181), (37777, 534505), (54113, 373145), (74629, 270565), (106901, 188885)]