20670796672

素因数分解:

$2^7\times {\mathrm{17}}^2\times {\mathrm{558791}}^1$

素因数の和:558839

約数の個数: 48

約数和(自身を含む): 43745031720

約数和(自身を除く): 23074235048

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 272, 289, 544, 578, 1088, 1156, 2176, 2312, 4624, 9248, 18496, 36992, 558791, 1117582, 2235164, 4470328, 8940656, 9499447, 17881312, 18998894, 35762624, 37997788, 71525248, 75995576, 151991152, 161490599, 303982304, 322981198, 607964608, 645962396, 1215929216, 1291924792, 2583849584, 5167699168, 10335398336, 20670796672]

約数ペア:

[(1, 20670796672), (2, 10335398336), (4, 5167699168), (8, 2583849584), (16, 1291924792), (17, 1215929216), (32, 645962396), (34, 607964608), (64, 322981198), (68, 303982304), (128, 161490599), (136, 151991152), (272, 75995576), (289, 71525248), (544, 37997788), (578, 35762624), (1088, 18998894), (1156, 17881312), (2176, 9499447), (2312, 8940656), (4624, 4470328), (9248, 2235164), (18496, 1117582), (36992, 558791)]