20955704

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{34019}}^1$

素因数の和:34043

約数の個数: 32

約数和(自身を含む): 48988800

約数和(自身を除く): 28033096

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 154, 308, 616, 34019, 68038, 136076, 238133, 272152, 374209, 476266, 748418, 952532, 1496836, 1905064, 2619463, 2993672, 5238926, 10477852, 20955704]

約数ペア:

[(1, 20955704), (2, 10477852), (4, 5238926), (7, 2993672), (8, 2619463), (11, 1905064), (14, 1496836), (22, 952532), (28, 748418), (44, 476266), (56, 374209), (77, 272152), (88, 238133), (154, 136076), (308, 68038), (616, 34019)]