20462200

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:229

約数の個数: 96

約数和(自身を含む): 53032320

約数和(自身を除く): 32570120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 71, 88, 100, 110, 131, 142, 200, 220, 262, 275, 284, 355, 440, 524, 550, 568, 655, 710, 781, 1048, 1100, 1310, 1420, 1441, 1562, 1775, 2200, 2620, 2840, 2882, 3124, 3275, 3550, 3905, 5240, 5764, 6248, 6550, 7100, 7205, 7810, 9301, 11528, 13100, 14200, 14410, 15620, 18602, 19525, 26200, 28820, 31240, 36025, 37204, 39050, 46505, 57640, 72050, 74408, 78100, 93010, 102311, 144100, 156200, 186020, 204622, 232525, 288200, 372040, 409244, 465050, 511555, 818488, 930100, 1023110, 1860200, 2046220, 2557775, 4092440, 5115550, 10231100, 20462200]

約数ペア:

[(1, 20462200), (2, 10231100), (4, 5115550), (5, 4092440), (8, 2557775), (10, 2046220), (11, 1860200), (20, 1023110), (22, 930100), (25, 818488), (40, 511555), (44, 465050), (50, 409244), (55, 372040), (71, 288200), (88, 232525), (100, 204622), (110, 186020), (131, 156200), (142, 144100), (200, 102311), (220, 93010), (262, 78100), (275, 74408), (284, 72050), (355, 57640), (440, 46505), (524, 39050), (550, 37204), (568, 36025), (655, 31240), (710, 28820), (781, 26200), (1048, 19525), (1100, 18602), (1310, 15620), (1420, 14410), (1441, 14200), (1562, 13100), (1775, 11528), (2200, 9301), (2620, 7810), (2840, 7205), (2882, 7100), (3124, 6550), (3275, 6248), (3550, 5764), (3905, 5240)]