20244720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{1259}}^1$

素因数の和:1342

約数の個数: 80

約数和(自身を含む): 63745920

約数和(自身を除く): 43501200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 67, 80, 120, 134, 201, 240, 268, 335, 402, 536, 670, 804, 1005, 1072, 1259, 1340, 1608, 2010, 2518, 2680, 3216, 3777, 4020, 5036, 5360, 6295, 7554, 8040, 10072, 12590, 15108, 16080, 18885, 20144, 25180, 30216, 37770, 50360, 60432, 75540, 84353, 100720, 151080, 168706, 253059, 302160, 337412, 421765, 506118, 674824, 843530, 1012236, 1265295, 1349648, 1687060, 2024472, 2530590, 3374120, 4048944, 5061180, 6748240, 10122360, 20244720]

約数ペア:

[(1, 20244720), (2, 10122360), (3, 6748240), (4, 5061180), (5, 4048944), (6, 3374120), (8, 2530590), (10, 2024472), (12, 1687060), (15, 1349648), (16, 1265295), (20, 1012236), (24, 843530), (30, 674824), (40, 506118), (48, 421765), (60, 337412), (67, 302160), (80, 253059), (120, 168706), (134, 151080), (201, 100720), (240, 84353), (268, 75540), (335, 60432), (402, 50360), (536, 37770), (670, 30216), (804, 25180), (1005, 20144), (1072, 18885), (1259, 16080), (1340, 15108), (1608, 12590), (2010, 10072), (2518, 8040), (2680, 7554), (3216, 6295), (3777, 5360), (4020, 5036)]