20438336

素因数分解:

$2^6\times {\mathrm{41}}^1\times {\mathrm{7789}}^1$

素因数の和:7842

約数の個数: 28

約数和(自身を含む): 41551860

約数和(自身を除く): 21113524

約数列:

[1, 2, 4, 8, 16, 32, 41, 64, 82, 164, 328, 656, 1312, 2624, 7789, 15578, 31156, 62312, 124624, 249248, 319349, 498496, 638698, 1277396, 2554792, 5109584, 10219168, 20438336]

約数ペア:

[(1, 20438336), (2, 10219168), (4, 5109584), (8, 2554792), (16, 1277396), (32, 638698), (41, 498496), (64, 319349), (82, 249248), (164, 124624), (328, 62312), (656, 31156), (1312, 15578), (2624, 7789)]