20942600

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{2137}}^1$

素因数の和:2167

約数の個数: 72

約数和(自身を含む): 56667690

約数和(自身を除く): 35725090

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 49, 50, 56, 70, 98, 100, 140, 175, 196, 200, 245, 280, 350, 392, 490, 700, 980, 1225, 1400, 1960, 2137, 2450, 4274, 4900, 8548, 9800, 10685, 14959, 17096, 21370, 29918, 42740, 53425, 59836, 74795, 85480, 104713, 106850, 119672, 149590, 209426, 213700, 299180, 373975, 418852, 427400, 523565, 598360, 747950, 837704, 1047130, 1495900, 2094260, 2617825, 2991800, 4188520, 5235650, 10471300, 20942600]

約数ペア:

[(1, 20942600), (2, 10471300), (4, 5235650), (5, 4188520), (7, 2991800), (8, 2617825), (10, 2094260), (14, 1495900), (20, 1047130), (25, 837704), (28, 747950), (35, 598360), (40, 523565), (49, 427400), (50, 418852), (56, 373975), (70, 299180), (98, 213700), (100, 209426), (140, 149590), (175, 119672), (196, 106850), (200, 104713), (245, 85480), (280, 74795), (350, 59836), (392, 53425), (490, 42740), (700, 29918), (980, 21370), (1225, 17096), (1400, 14959), (1960, 10685), (2137, 9800), (2450, 8548), (4274, 4900)]