20713686700

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{4227283}}^1$

素因数の和:4227311

約数の個数: 54

約数和(自身を含む): 52287275796

約数和(自身を除く): 31573589096

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 175, 196, 245, 350, 490, 700, 980, 1225, 2450, 4900, 4227283, 8454566, 16909132, 21136415, 29590981, 42272830, 59181962, 84545660, 105682075, 118363924, 147954905, 207136867, 211364150, 295909810, 414273734, 422728300, 591819620, 739774525, 828547468, 1035684335, 1479549050, 2071368670, 2959098100, 4142737340, 5178421675, 10356843350, 20713686700]

約数ペア:

[(1, 20713686700), (2, 10356843350), (4, 5178421675), (5, 4142737340), (7, 2959098100), (10, 2071368670), (14, 1479549050), (20, 1035684335), (25, 828547468), (28, 739774525), (35, 591819620), (49, 422728300), (50, 414273734), (70, 295909810), (98, 211364150), (100, 207136867), (140, 147954905), (175, 118363924), (196, 105682075), (245, 84545660), (350, 59181962), (490, 42272830), (700, 29590981), (980, 21136415), (1225, 16909132), (2450, 8454566), (4900, 4227283)]