20166441520

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{6812987}}^1$

素因数の和:6813037

約数の個数: 40

約数和(自身を含む): 48154199184

約数和(自身を除く): 27987757664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 740, 1480, 2960, 6812987, 13625974, 27251948, 34064935, 54503896, 68129870, 109007792, 136259740, 252080519, 272519480, 504161038, 545038960, 1008322076, 1260402595, 2016644152, 2520805190, 4033288304, 5041610380, 10083220760, 20166441520]

約数ペア:

[(1, 20166441520), (2, 10083220760), (4, 5041610380), (5, 4033288304), (8, 2520805190), (10, 2016644152), (16, 1260402595), (20, 1008322076), (37, 545038960), (40, 504161038), (74, 272519480), (80, 252080519), (148, 136259740), (185, 109007792), (296, 68129870), (370, 54503896), (592, 34064935), (740, 27251948), (1480, 13625974), (2960, 6812987)]