20317544

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{347}}^1\times {\mathrm{563}}^1$

素因数の和:929

約数の個数: 32

約数和(自身を含む): 41217120

約数和(自身を除く): 20899576

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 347, 563, 694, 1126, 1388, 2252, 2776, 4504, 4511, 7319, 9022, 14638, 18044, 29276, 36088, 58552, 195361, 390722, 781444, 1562888, 2539693, 5079386, 10158772, 20317544]

約数ペア:

[(1, 20317544), (2, 10158772), (4, 5079386), (8, 2539693), (13, 1562888), (26, 781444), (52, 390722), (104, 195361), (347, 58552), (563, 36088), (694, 29276), (1126, 18044), (1388, 14638), (2252, 9022), (2776, 7319), (4504, 4511)]