20218397650

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{383}}^1\times {\mathrm{2341}}^1$

素因数の和:2788

約数の個数: 96

約数和(自身を含む): 42153302016

約数和(自身を除く): 21934904366

約数列:

[1, 2, 5, 10, 11, 22, 25, 41, 50, 55, 82, 110, 205, 275, 383, 410, 451, 550, 766, 902, 1025, 1915, 2050, 2255, 2341, 3830, 4213, 4510, 4682, 8426, 9575, 11275, 11705, 15703, 19150, 21065, 22550, 23410, 25751, 31406, 42130, 51502, 58525, 78515, 95981, 105325, 117050, 128755, 157030, 172733, 191962, 210650, 257510, 345466, 392575, 479905, 643775, 785150, 863665, 896603, 959810, 1055791, 1287550, 1727330, 1793206, 2111582, 2399525, 4318325, 4483015, 4799050, 5278955, 8636650, 8966030, 9862633, 10557910, 19725266, 22415075, 26394775, 36760723, 44830150, 49313165, 52789550, 73521446, 98626330, 183803615, 246565825, 367607230, 404367953, 493131650, 808735906, 919018075, 1838036150, 2021839765, 4043679530, 10109198825, 20218397650]

約数ペア:

[(1, 20218397650), (2, 10109198825), (5, 4043679530), (10, 2021839765), (11, 1838036150), (22, 919018075), (25, 808735906), (41, 493131650), (50, 404367953), (55, 367607230), (82, 246565825), (110, 183803615), (205, 98626330), (275, 73521446), (383, 52789550), (410, 49313165), (451, 44830150), (550, 36760723), (766, 26394775), (902, 22415075), (1025, 19725266), (1915, 10557910), (2050, 9862633), (2255, 8966030), (2341, 8636650), (3830, 5278955), (4213, 4799050), (4510, 4483015), (4682, 4318325), (8426, 2399525), (9575, 2111582), (11275, 1793206), (11705, 1727330), (15703, 1287550), (19150, 1055791), (21065, 959810), (22550, 896603), (23410, 863665), (25751, 785150), (31406, 643775), (42130, 479905), (51502, 392575), (58525, 345466), (78515, 257510), (95981, 210650), (105325, 191962), (117050, 172733), (128755, 157030)]