20648400

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{17207}}^1$

素因数の和:17228

約数の個数: 60

約数和(自身を含む): 66147552

約数和(自身を除く): 45499152

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 40, 48, 50, 60, 75, 80, 100, 120, 150, 200, 240, 300, 400, 600, 1200, 17207, 34414, 51621, 68828, 86035, 103242, 137656, 172070, 206484, 258105, 275312, 344140, 412968, 430175, 516210, 688280, 825936, 860350, 1032420, 1290525, 1376560, 1720700, 2064840, 2581050, 3441400, 4129680, 5162100, 6882800, 10324200, 20648400]

約数ペア:

[(1, 20648400), (2, 10324200), (3, 6882800), (4, 5162100), (5, 4129680), (6, 3441400), (8, 2581050), (10, 2064840), (12, 1720700), (15, 1376560), (16, 1290525), (20, 1032420), (24, 860350), (25, 825936), (30, 688280), (40, 516210), (48, 430175), (50, 412968), (60, 344140), (75, 275312), (80, 258105), (100, 206484), (120, 172070), (150, 137656), (200, 103242), (240, 86035), (300, 68828), (400, 51621), (600, 34414), (1200, 17207)]