20222941840

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{3167}}^1\times {\mathrm{4201}}^1$

素因数の和:7400

約数の個数: 80

約数和(自身を含む): 49520401920

約数和(自身を除く): 29297460080

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 3167, 4201, 6334, 8402, 12668, 15835, 16804, 21005, 25336, 31670, 33608, 42010, 50672, 60173, 63340, 67216, 79819, 84020, 120346, 126680, 159638, 168040, 240692, 253360, 300865, 319276, 336080, 399095, 481384, 601730, 638552, 798190, 962768, 1203460, 1277104, 1596380, 2406920, 3192760, 4813840, 6385520, 13304567, 26609134, 53218268, 66522835, 106436536, 133045670, 212873072, 252786773, 266091340, 505573546, 532182680, 1011147092, 1064365360, 1263933865, 2022294184, 2527867730, 4044588368, 5055735460, 10111470920, 20222941840]

約数ペア:

[(1, 20222941840), (2, 10111470920), (4, 5055735460), (5, 4044588368), (8, 2527867730), (10, 2022294184), (16, 1263933865), (19, 1064365360), (20, 1011147092), (38, 532182680), (40, 505573546), (76, 266091340), (80, 252786773), (95, 212873072), (152, 133045670), (190, 106436536), (304, 66522835), (380, 53218268), (760, 26609134), (1520, 13304567), (3167, 6385520), (4201, 4813840), (6334, 3192760), (8402, 2406920), (12668, 1596380), (15835, 1277104), (16804, 1203460), (21005, 962768), (25336, 798190), (31670, 638552), (33608, 601730), (42010, 481384), (50672, 399095), (60173, 336080), (63340, 319276), (67216, 300865), (79819, 253360), (84020, 240692), (120346, 168040), (126680, 159638)]