20542620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{829}}^1$

素因数の和:907

約数の個数: 96

約数和(自身を含む): 66931200

約数和(自身を除く): 46388580

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 59, 60, 70, 84, 105, 118, 140, 177, 210, 236, 295, 354, 413, 420, 590, 708, 826, 829, 885, 1180, 1239, 1652, 1658, 1770, 2065, 2478, 2487, 3316, 3540, 4130, 4145, 4956, 4974, 5803, 6195, 8260, 8290, 9948, 11606, 12390, 12435, 16580, 17409, 23212, 24780, 24870, 29015, 34818, 48911, 49740, 58030, 69636, 87045, 97822, 116060, 146733, 174090, 195644, 244555, 293466, 342377, 348180, 489110, 586932, 684754, 733665, 978220, 1027131, 1369508, 1467330, 1711885, 2054262, 2934660, 3423770, 4108524, 5135655, 6847540, 10271310, 20542620]

約数ペア:

[(1, 20542620), (2, 10271310), (3, 6847540), (4, 5135655), (5, 4108524), (6, 3423770), (7, 2934660), (10, 2054262), (12, 1711885), (14, 1467330), (15, 1369508), (20, 1027131), (21, 978220), (28, 733665), (30, 684754), (35, 586932), (42, 489110), (59, 348180), (60, 342377), (70, 293466), (84, 244555), (105, 195644), (118, 174090), (140, 146733), (177, 116060), (210, 97822), (236, 87045), (295, 69636), (354, 58030), (413, 49740), (420, 48911), (590, 34818), (708, 29015), (826, 24870), (829, 24780), (885, 23212), (1180, 17409), (1239, 16580), (1652, 12435), (1658, 12390), (1770, 11606), (2065, 9948), (2478, 8290), (2487, 8260), (3316, 6195), (3540, 5803), (4130, 4974), (4145, 4956)]