20943684

素因数分解:

$2^2\times 3^5\times {\mathrm{29}}^1\times {\mathrm{743}}^1$

素因数の和:791

約数の個数: 72

約数和(自身を含む): 56871360

約数和(自身を除く): 35927676

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 29, 36, 54, 58, 81, 87, 108, 116, 162, 174, 243, 261, 324, 348, 486, 522, 743, 783, 972, 1044, 1486, 1566, 2229, 2349, 2972, 3132, 4458, 4698, 6687, 7047, 8916, 9396, 13374, 14094, 20061, 21547, 26748, 28188, 40122, 43094, 60183, 64641, 80244, 86188, 120366, 129282, 180549, 193923, 240732, 258564, 361098, 387846, 581769, 722196, 775692, 1163538, 1745307, 2327076, 3490614, 5235921, 6981228, 10471842, 20943684]

約数ペア:

[(1, 20943684), (2, 10471842), (3, 6981228), (4, 5235921), (6, 3490614), (9, 2327076), (12, 1745307), (18, 1163538), (27, 775692), (29, 722196), (36, 581769), (54, 387846), (58, 361098), (81, 258564), (87, 240732), (108, 193923), (116, 180549), (162, 129282), (174, 120366), (243, 86188), (261, 80244), (324, 64641), (348, 60183), (486, 43094), (522, 40122), (743, 28188), (783, 26748), (972, 21547), (1044, 20061), (1486, 14094), (1566, 13374), (2229, 9396), (2349, 8916), (2972, 7047), (3132, 6687), (4458, 4698)]