20475200

素因数分解:

$2^6\times 5^2\times {\mathrm{67}}^1\times {\mathrm{191}}^1$

素因数の和:280

約数の個数: 84

約数和(自身を含む): 51401472

約数和(自身を除く): 30926272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 67, 80, 100, 134, 160, 191, 200, 268, 320, 335, 382, 400, 536, 670, 764, 800, 955, 1072, 1340, 1528, 1600, 1675, 1910, 2144, 2680, 3056, 3350, 3820, 4288, 4775, 5360, 6112, 6700, 7640, 9550, 10720, 12224, 12797, 13400, 15280, 19100, 21440, 25594, 26800, 30560, 38200, 51188, 53600, 61120, 63985, 76400, 102376, 107200, 127970, 152800, 204752, 255940, 305600, 319925, 409504, 511880, 639850, 819008, 1023760, 1279700, 2047520, 2559400, 4095040, 5118800, 10237600, 20475200]

約数ペア:

[(1, 20475200), (2, 10237600), (4, 5118800), (5, 4095040), (8, 2559400), (10, 2047520), (16, 1279700), (20, 1023760), (25, 819008), (32, 639850), (40, 511880), (50, 409504), (64, 319925), (67, 305600), (80, 255940), (100, 204752), (134, 152800), (160, 127970), (191, 107200), (200, 102376), (268, 76400), (320, 63985), (335, 61120), (382, 53600), (400, 51188), (536, 38200), (670, 30560), (764, 26800), (800, 25594), (955, 21440), (1072, 19100), (1340, 15280), (1528, 13400), (1600, 12797), (1675, 12224), (1910, 10720), (2144, 9550), (2680, 7640), (3056, 6700), (3350, 6112), (3820, 5360), (4288, 4775)]