20318870

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{1093}}^1$

素因数の和:1137

約数の個数: 48

約数和(自身を含む): 43243632

約数和(自身を除く): 22924762

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 169, 286, 338, 715, 845, 1093, 1430, 1690, 1859, 2186, 3718, 5465, 9295, 10930, 12023, 14209, 18590, 24046, 28418, 60115, 71045, 120230, 142090, 156299, 184717, 312598, 369434, 781495, 923585, 1562990, 1847170, 2031887, 4063774, 10159435, 20318870]

約数ペア:

[(1, 20318870), (2, 10159435), (5, 4063774), (10, 2031887), (11, 1847170), (13, 1562990), (22, 923585), (26, 781495), (55, 369434), (65, 312598), (110, 184717), (130, 156299), (143, 142090), (169, 120230), (286, 71045), (338, 60115), (715, 28418), (845, 24046), (1093, 18590), (1430, 14209), (1690, 12023), (1859, 10930), (2186, 9295), (3718, 5465)]