20211642045

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{2411}}^1\times {\mathrm{2957}}^1$

素因数の和:5392

約数の個数: 80

約数和(自身を含む): 41438314368

約数和(自身を除く): 21226672323

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 315, 405, 567, 945, 2411, 2835, 2957, 7233, 8871, 12055, 14785, 16877, 20699, 21699, 26613, 36165, 44355, 50631, 62097, 65097, 79839, 84385, 103495, 108495, 133065, 151893, 186291, 195291, 239517, 253155, 310485, 325485, 399195, 455679, 558873, 759465, 931455, 976455, 1197585, 1367037, 1676619, 2278395, 2794365, 6835185, 7129327, 8383095, 21387981, 35646635, 49905289, 64163943, 106939905, 149715867, 192491829, 249526445, 320819715, 449147601, 577475487, 748579335, 962459145, 1347442803, 2245738005, 2887377435, 4042328409, 6737214015, 20211642045]

約数ペア:

[(1, 20211642045), (3, 6737214015), (5, 4042328409), (7, 2887377435), (9, 2245738005), (15, 1347442803), (21, 962459145), (27, 748579335), (35, 577475487), (45, 449147601), (63, 320819715), (81, 249526445), (105, 192491829), (135, 149715867), (189, 106939905), (315, 64163943), (405, 49905289), (567, 35646635), (945, 21387981), (2411, 8383095), (2835, 7129327), (2957, 6835185), (7233, 2794365), (8871, 2278395), (12055, 1676619), (14785, 1367037), (16877, 1197585), (20699, 976455), (21699, 931455), (26613, 759465), (36165, 558873), (44355, 455679), (50631, 399195), (62097, 325485), (65097, 310485), (79839, 253155), (84385, 239517), (103495, 195291), (108495, 186291), (133065, 151893)]