20899656

素因数分解:

$2^3\times 3^2\times {\mathrm{281}}^1\times {\mathrm{1033}}^1$

素因数の和:1326

約数の個数: 48

約数和(自身を含む): 56859660

約数和(自身を除く): 35960004

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 281, 562, 843, 1033, 1124, 1686, 2066, 2248, 2529, 3099, 3372, 4132, 5058, 6198, 6744, 8264, 9297, 10116, 12396, 18594, 20232, 24792, 37188, 74376, 290273, 580546, 870819, 1161092, 1741638, 2322184, 2612457, 3483276, 5224914, 6966552, 10449828, 20899656]

約数ペア:

[(1, 20899656), (2, 10449828), (3, 6966552), (4, 5224914), (6, 3483276), (8, 2612457), (9, 2322184), (12, 1741638), (18, 1161092), (24, 870819), (36, 580546), (72, 290273), (281, 74376), (562, 37188), (843, 24792), (1033, 20232), (1124, 18594), (1686, 12396), (2066, 10116), (2248, 9297), (2529, 8264), (3099, 6744), (3372, 6198), (4132, 5058)]