20508072

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{65731}}^1$

素因数の和:65753

約数の個数: 32

約数和(自身を含む): 55214880

約数和(自身を除く): 34706808

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 65731, 131462, 197193, 262924, 394386, 525848, 788772, 854503, 1577544, 1709006, 2563509, 3418012, 5127018, 6836024, 10254036, 20508072]

約数ペア:

[(1, 20508072), (2, 10254036), (3, 6836024), (4, 5127018), (6, 3418012), (8, 2563509), (12, 1709006), (13, 1577544), (24, 854503), (26, 788772), (39, 525848), (52, 394386), (78, 262924), (104, 197193), (156, 131462), (312, 65731)]