20680600

素因数分解:

$2^3\times 5^2\times {\mathrm{53}}^1\times {\mathrm{1951}}^1$

素因数の和:2020

約数の個数: 48

約数和(自身を含む): 49014720

約数和(自身を除く): 28334120

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 53, 100, 106, 200, 212, 265, 424, 530, 1060, 1325, 1951, 2120, 2650, 3902, 5300, 7804, 9755, 10600, 15608, 19510, 39020, 48775, 78040, 97550, 103403, 195100, 206806, 390200, 413612, 517015, 827224, 1034030, 2068060, 2585075, 4136120, 5170150, 10340300, 20680600]

約数ペア:

[(1, 20680600), (2, 10340300), (4, 5170150), (5, 4136120), (8, 2585075), (10, 2068060), (20, 1034030), (25, 827224), (40, 517015), (50, 413612), (53, 390200), (100, 206806), (106, 195100), (200, 103403), (212, 97550), (265, 78040), (424, 48775), (530, 39020), (1060, 19510), (1325, 15608), (1951, 10600), (2120, 9755), (2650, 7804), (3902, 5300)]