20278330712

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{4517}}^1\times {\mathrm{13687}}^1$

素因数の和:18251

約数の個数: 32

約数和(自身を含む): 38960701920

約数和(自身を除く): 18682371208

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 4517, 9034, 13687, 18068, 27374, 36136, 54748, 109496, 185197, 370394, 561167, 740788, 1122334, 1481576, 2244668, 4489336, 61824179, 123648358, 247296716, 494593432, 2534791339, 5069582678, 10139165356, 20278330712]

約数ペア:

[(1, 20278330712), (2, 10139165356), (4, 5069582678), (8, 2534791339), (41, 494593432), (82, 247296716), (164, 123648358), (328, 61824179), (4517, 4489336), (9034, 2244668), (13687, 1481576), (18068, 1122334), (27374, 740788), (36136, 561167), (54748, 370394), (109496, 185197)]