20787060

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1151}}^1$

素因数の和:1213

約数の個数: 96

約数和(自身を含む): 68124672

約数和(自身を除く): 47337612

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 43, 60, 70, 84, 86, 105, 129, 140, 172, 210, 215, 258, 301, 420, 430, 516, 602, 645, 860, 903, 1151, 1204, 1290, 1505, 1806, 2302, 2580, 3010, 3453, 3612, 4515, 4604, 5755, 6020, 6906, 8057, 9030, 11510, 13812, 16114, 17265, 18060, 23020, 24171, 32228, 34530, 40285, 48342, 49493, 69060, 80570, 96684, 98986, 120855, 148479, 161140, 197972, 241710, 247465, 296958, 346451, 483420, 494930, 593916, 692902, 742395, 989860, 1039353, 1385804, 1484790, 1732255, 2078706, 2969580, 3464510, 4157412, 5196765, 6929020, 10393530, 20787060]

約数ペア:

[(1, 20787060), (2, 10393530), (3, 6929020), (4, 5196765), (5, 4157412), (6, 3464510), (7, 2969580), (10, 2078706), (12, 1732255), (14, 1484790), (15, 1385804), (20, 1039353), (21, 989860), (28, 742395), (30, 692902), (35, 593916), (42, 494930), (43, 483420), (60, 346451), (70, 296958), (84, 247465), (86, 241710), (105, 197972), (129, 161140), (140, 148479), (172, 120855), (210, 98986), (215, 96684), (258, 80570), (301, 69060), (420, 49493), (430, 48342), (516, 40285), (602, 34530), (645, 32228), (860, 24171), (903, 23020), (1151, 18060), (1204, 17265), (1290, 16114), (1505, 13812), (1806, 11510), (2302, 9030), (2580, 8057), (3010, 6906), (3453, 6020), (3612, 5755), (4515, 4604)]