20279704

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{81773}}^1$

素因数の和:81810

約数の個数: 16

約数和(自身を含む): 39251520

約数和(自身を除く): 18971816

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 81773, 163546, 327092, 654184, 2534963, 5069926, 10139852, 20279704]

約数ペア:

[(1, 20279704), (2, 10139852), (4, 5069926), (8, 2534963), (31, 654184), (62, 327092), (124, 163546), (248, 81773)]