20937222

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{491}}^1$

素因数の和:625

約数の個数: 48

約数和(自身を含む): 47893248

約数和(自身を除く): 26956026

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 103, 138, 206, 207, 309, 414, 491, 618, 927, 982, 1473, 1854, 2369, 2946, 4419, 4738, 7107, 8838, 11293, 14214, 21321, 22586, 33879, 42642, 50573, 67758, 101146, 101637, 151719, 203274, 303438, 455157, 910314, 1163179, 2326358, 3489537, 6979074, 10468611, 20937222]

約数ペア:

[(1, 20937222), (2, 10468611), (3, 6979074), (6, 3489537), (9, 2326358), (18, 1163179), (23, 910314), (46, 455157), (69, 303438), (103, 203274), (138, 151719), (206, 101637), (207, 101146), (309, 67758), (414, 50573), (491, 42642), (618, 33879), (927, 22586), (982, 21321), (1473, 14214), (1854, 11293), (2369, 8838), (2946, 7107), (4419, 4738)]