20237000

素因数分解:

$2^3\times 5^3\times 7^3\times {\mathrm{59}}^1$

素因数の和:101

約数の個数: 128

約数和(自身を含む): 56160000

約数和(自身を除く): 35923000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 49, 50, 56, 59, 70, 98, 100, 118, 125, 140, 175, 196, 200, 236, 245, 250, 280, 295, 343, 350, 392, 413, 472, 490, 500, 590, 686, 700, 826, 875, 980, 1000, 1180, 1225, 1372, 1400, 1475, 1652, 1715, 1750, 1960, 2065, 2360, 2450, 2744, 2891, 2950, 3304, 3430, 3500, 4130, 4900, 5782, 5900, 6125, 6860, 7000, 7375, 8260, 8575, 9800, 10325, 11564, 11800, 12250, 13720, 14455, 14750, 16520, 17150, 20237, 20650, 23128, 24500, 28910, 29500, 34300, 40474, 41300, 42875, 49000, 51625, 57820, 59000, 68600, 72275, 80948, 82600, 85750, 101185, 103250, 115640, 144550, 161896, 171500, 202370, 206500, 289100, 343000, 361375, 404740, 413000, 505925, 578200, 722750, 809480, 1011850, 1445500, 2023700, 2529625, 2891000, 4047400, 5059250, 10118500, 20237000]

約数ペア:

[(1, 20237000), (2, 10118500), (4, 5059250), (5, 4047400), (7, 2891000), (8, 2529625), (10, 2023700), (14, 1445500), (20, 1011850), (25, 809480), (28, 722750), (35, 578200), (40, 505925), (49, 413000), (50, 404740), (56, 361375), (59, 343000), (70, 289100), (98, 206500), (100, 202370), (118, 171500), (125, 161896), (140, 144550), (175, 115640), (196, 103250), (200, 101185), (236, 85750), (245, 82600), (250, 80948), (280, 72275), (295, 68600), (343, 59000), (350, 57820), (392, 51625), (413, 49000), (472, 42875), (490, 41300), (500, 40474), (590, 34300), (686, 29500), (700, 28910), (826, 24500), (875, 23128), (980, 20650), (1000, 20237), (1180, 17150), (1225, 16520), (1372, 14750), (1400, 14455), (1475, 13720), (1652, 12250), (1715, 11800), (1750, 11564), (1960, 10325), (2065, 9800), (2360, 8575), (2450, 8260), (2744, 7375), (2891, 7000), (2950, 6860), (3304, 6125), (3430, 5900), (3500, 5782), (4130, 4900)]