20120642643

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1\times {\mathrm{479}}^1\times {\mathrm{991}}^1$

素因数の和:1743

約数の個数: 32

約数和(自身を含む): 27426816000

約数和(自身を除く): 7306173357

約数列:

[1, 3, 71, 199, 213, 479, 597, 991, 1437, 2973, 14129, 34009, 42387, 70361, 95321, 102027, 197209, 211083, 285963, 474689, 591627, 1424067, 6767791, 14001839, 20303373, 33702919, 42005517, 94463111, 101108757, 283389333, 6706880881, 20120642643]

約数ペア:

[(1, 20120642643), (3, 6706880881), (71, 283389333), (199, 101108757), (213, 94463111), (479, 42005517), (597, 33702919), (991, 20303373), (1437, 14001839), (2973, 6767791), (14129, 1424067), (34009, 591627), (42387, 474689), (70361, 285963), (95321, 211083), (102027, 197209)]