20719080

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{859}}^1$

素因数の和:943

約数の個数: 96

約数和(自身を含む): 68421600

約数和(自身を除く): 47702520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 67, 72, 90, 120, 134, 180, 201, 268, 335, 360, 402, 536, 603, 670, 804, 859, 1005, 1206, 1340, 1608, 1718, 2010, 2412, 2577, 2680, 3015, 3436, 4020, 4295, 4824, 5154, 6030, 6872, 7731, 8040, 8590, 10308, 12060, 12885, 15462, 17180, 20616, 24120, 25770, 30924, 34360, 38655, 51540, 57553, 61848, 77310, 103080, 115106, 154620, 172659, 230212, 287765, 309240, 345318, 460424, 517977, 575530, 690636, 863295, 1035954, 1151060, 1381272, 1726590, 2071908, 2302120, 2589885, 3453180, 4143816, 5179770, 6906360, 10359540, 20719080]

約数ペア:

[(1, 20719080), (2, 10359540), (3, 6906360), (4, 5179770), (5, 4143816), (6, 3453180), (8, 2589885), (9, 2302120), (10, 2071908), (12, 1726590), (15, 1381272), (18, 1151060), (20, 1035954), (24, 863295), (30, 690636), (36, 575530), (40, 517977), (45, 460424), (60, 345318), (67, 309240), (72, 287765), (90, 230212), (120, 172659), (134, 154620), (180, 115106), (201, 103080), (268, 77310), (335, 61848), (360, 57553), (402, 51540), (536, 38655), (603, 34360), (670, 30924), (804, 25770), (859, 24120), (1005, 20616), (1206, 17180), (1340, 15462), (1608, 12885), (1718, 12060), (2010, 10308), (2412, 8590), (2577, 8040), (2680, 7731), (3015, 6872), (3436, 6030), (4020, 5154), (4295, 4824)]