20986364

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{44089}}^1$

素因数の和:44117

約数の個数: 24

約数和(自身を含む): 44442720

約数和(自身を除く): 23456356

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 44089, 88178, 176356, 308623, 617246, 749513, 1234492, 1499026, 2998052, 5246591, 10493182, 20986364]

約数ペア:

[(1, 20986364), (2, 10493182), (4, 5246591), (7, 2998052), (14, 1499026), (17, 1234492), (28, 749513), (34, 617246), (68, 308623), (119, 176356), (238, 88178), (476, 44089)]