20168694

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1759}}^1$

素因数の和:1794

約数の個数: 72

約数和(自身を含む): 54774720

約数和(自身を除く): 34606026

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 49, 63, 78, 91, 98, 117, 126, 147, 182, 234, 273, 294, 441, 546, 637, 819, 882, 1274, 1638, 1759, 1911, 3518, 3822, 5277, 5733, 10554, 11466, 12313, 15831, 22867, 24626, 31662, 36939, 45734, 68601, 73878, 86191, 110817, 137202, 160069, 172382, 205803, 221634, 258573, 320138, 411606, 480207, 517146, 775719, 960414, 1120483, 1440621, 1551438, 2240966, 2881242, 3361449, 6722898, 10084347, 20168694]

約数ペア:

[(1, 20168694), (2, 10084347), (3, 6722898), (6, 3361449), (7, 2881242), (9, 2240966), (13, 1551438), (14, 1440621), (18, 1120483), (21, 960414), (26, 775719), (39, 517146), (42, 480207), (49, 411606), (63, 320138), (78, 258573), (91, 221634), (98, 205803), (117, 172382), (126, 160069), (147, 137202), (182, 110817), (234, 86191), (273, 73878), (294, 68601), (441, 45734), (546, 36939), (637, 31662), (819, 24626), (882, 22867), (1274, 15831), (1638, 12313), (1759, 11466), (1911, 10554), (3518, 5733), (3822, 5277)]