20988600

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{34981}}^1$

素因数の和:35000

約数の個数: 48

約数和(自身を含む): 65066520

約数和(自身を除く): 44077920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 75, 100, 120, 150, 200, 300, 600, 34981, 69962, 104943, 139924, 174905, 209886, 279848, 349810, 419772, 524715, 699620, 839544, 874525, 1049430, 1399240, 1749050, 2098860, 2623575, 3498100, 4197720, 5247150, 6996200, 10494300, 20988600]

約数ペア:

[(1, 20988600), (2, 10494300), (3, 6996200), (4, 5247150), (5, 4197720), (6, 3498100), (8, 2623575), (10, 2098860), (12, 1749050), (15, 1399240), (20, 1049430), (24, 874525), (25, 839544), (30, 699620), (40, 524715), (50, 419772), (60, 349810), (75, 279848), (100, 209886), (120, 174905), (150, 139924), (200, 104943), (300, 69962), (600, 34981)]