20579624

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{433}}^1\times {\mathrm{457}}^1$

素因数の和:909

約数の個数: 32

約数和(自身を含む): 41742120

約数和(自身を除く): 21162496

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 433, 457, 866, 914, 1732, 1828, 3464, 3656, 5629, 5941, 11258, 11882, 22516, 23764, 45032, 47528, 197881, 395762, 791524, 1583048, 2572453, 5144906, 10289812, 20579624]

約数ペア:

[(1, 20579624), (2, 10289812), (4, 5144906), (8, 2572453), (13, 1583048), (26, 791524), (52, 395762), (104, 197881), (433, 47528), (457, 45032), (866, 23764), (914, 22516), (1732, 11882), (1828, 11258), (3464, 5941), (3656, 5629)]