20169180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1259}}^1$

素因数の和:1363

約数の個数: 72

約数和(自身を含む): 61916400

約数和(自身を除く): 41747220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 89, 90, 178, 180, 267, 356, 445, 534, 801, 890, 1068, 1259, 1335, 1602, 1780, 2518, 2670, 3204, 3777, 4005, 5036, 5340, 6295, 7554, 8010, 11331, 12590, 15108, 16020, 18885, 22662, 25180, 37770, 45324, 56655, 75540, 112051, 113310, 224102, 226620, 336153, 448204, 560255, 672306, 1008459, 1120510, 1344612, 1680765, 2016918, 2241020, 3361530, 4033836, 5042295, 6723060, 10084590, 20169180]

約数ペア:

[(1, 20169180), (2, 10084590), (3, 6723060), (4, 5042295), (5, 4033836), (6, 3361530), (9, 2241020), (10, 2016918), (12, 1680765), (15, 1344612), (18, 1120510), (20, 1008459), (30, 672306), (36, 560255), (45, 448204), (60, 336153), (89, 226620), (90, 224102), (178, 113310), (180, 112051), (267, 75540), (356, 56655), (445, 45324), (534, 37770), (801, 25180), (890, 22662), (1068, 18885), (1259, 16020), (1335, 15108), (1602, 12590), (1780, 11331), (2518, 8010), (2670, 7554), (3204, 6295), (3777, 5340), (4005, 5036)]