20617776

素因数分解:

$2^4\times 3^2\times {\mathrm{67}}^1\times {\mathrm{2137}}^1$

素因数の和:2218

約数の個数: 60

約数和(自身を含む): 58589752

約数和(自身を除く): 37971976

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 67, 72, 134, 144, 201, 268, 402, 536, 603, 804, 1072, 1206, 1608, 2137, 2412, 3216, 4274, 4824, 6411, 8548, 9648, 12822, 17096, 19233, 25644, 34192, 38466, 51288, 76932, 102576, 143179, 153864, 286358, 307728, 429537, 572716, 859074, 1145432, 1288611, 1718148, 2290864, 2577222, 3436296, 5154444, 6872592, 10308888, 20617776]

約数ペア:

[(1, 20617776), (2, 10308888), (3, 6872592), (4, 5154444), (6, 3436296), (8, 2577222), (9, 2290864), (12, 1718148), (16, 1288611), (18, 1145432), (24, 859074), (36, 572716), (48, 429537), (67, 307728), (72, 286358), (134, 153864), (144, 143179), (201, 102576), (268, 76932), (402, 51288), (536, 38466), (603, 34192), (804, 25644), (1072, 19233), (1206, 17096), (1608, 12822), (2137, 9648), (2412, 8548), (3216, 6411), (4274, 4824)]