20387056

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{127}}^2$

素因数の和:341

約数の個数: 30

約数和(自身を含む): 40317360

約数和(自身を除く): 19930304

約数列:

[1, 2, 4, 8, 16, 79, 127, 158, 254, 316, 508, 632, 1016, 1264, 2032, 10033, 16129, 20066, 32258, 40132, 64516, 80264, 129032, 160528, 258064, 1274191, 2548382, 5096764, 10193528, 20387056]

約数ペア:

[(1, 20387056), (2, 10193528), (4, 5096764), (8, 2548382), (16, 1274191), (79, 258064), (127, 160528), (158, 129032), (254, 80264), (316, 64516), (508, 40132), (632, 32258), (1016, 20066), (1264, 16129), (2032, 10033)]