20114500

素因数分解:

$2^2\times 5^3\times 7^2\times {\mathrm{821}}^1$

素因数の和:854

約数の個数: 72

約数和(自身を含む): 51164568

約数和(自身を除く): 31050068

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 125, 140, 175, 196, 245, 250, 350, 490, 500, 700, 821, 875, 980, 1225, 1642, 1750, 2450, 3284, 3500, 4105, 4900, 5747, 6125, 8210, 11494, 12250, 16420, 20525, 22988, 24500, 28735, 40229, 41050, 57470, 80458, 82100, 102625, 114940, 143675, 160916, 201145, 205250, 287350, 402290, 410500, 574700, 718375, 804580, 1005725, 1436750, 2011450, 2873500, 4022900, 5028625, 10057250, 20114500]

約数ペア:

[(1, 20114500), (2, 10057250), (4, 5028625), (5, 4022900), (7, 2873500), (10, 2011450), (14, 1436750), (20, 1005725), (25, 804580), (28, 718375), (35, 574700), (49, 410500), (50, 402290), (70, 287350), (98, 205250), (100, 201145), (125, 160916), (140, 143675), (175, 114940), (196, 102625), (245, 82100), (250, 80458), (350, 57470), (490, 41050), (500, 40229), (700, 28735), (821, 24500), (875, 22988), (980, 20525), (1225, 16420), (1642, 12250), (1750, 11494), (2450, 8210), (3284, 6125), (3500, 5747), (4105, 4900)]