20850200

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{281}}^1$

素因数の和:357

約数の個数: 96

約数和(自身を含む): 56648160

約数和(自身を除く): 35797960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 53, 56, 70, 100, 106, 140, 175, 200, 212, 265, 280, 281, 350, 371, 424, 530, 562, 700, 742, 1060, 1124, 1325, 1400, 1405, 1484, 1855, 1967, 2120, 2248, 2650, 2810, 2968, 3710, 3934, 5300, 5620, 7025, 7420, 7868, 9275, 9835, 10600, 11240, 14050, 14840, 14893, 15736, 18550, 19670, 28100, 29786, 37100, 39340, 49175, 56200, 59572, 74200, 74465, 78680, 98350, 104251, 119144, 148930, 196700, 208502, 297860, 372325, 393400, 417004, 521255, 595720, 744650, 834008, 1042510, 1489300, 2085020, 2606275, 2978600, 4170040, 5212550, 10425100, 20850200]

約数ペア:

[(1, 20850200), (2, 10425100), (4, 5212550), (5, 4170040), (7, 2978600), (8, 2606275), (10, 2085020), (14, 1489300), (20, 1042510), (25, 834008), (28, 744650), (35, 595720), (40, 521255), (50, 417004), (53, 393400), (56, 372325), (70, 297860), (100, 208502), (106, 196700), (140, 148930), (175, 119144), (200, 104251), (212, 98350), (265, 78680), (280, 74465), (281, 74200), (350, 59572), (371, 56200), (424, 49175), (530, 39340), (562, 37100), (700, 29786), (742, 28100), (1060, 19670), (1124, 18550), (1325, 15736), (1400, 14893), (1405, 14840), (1484, 14050), (1855, 11240), (1967, 10600), (2120, 9835), (2248, 9275), (2650, 7868), (2810, 7420), (2968, 7025), (3710, 5620), (3934, 5300)]