20057580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{111431}}^1$

素因数の和:111446

約数の個数: 36

約数和(自身を含む): 60841872

約数和(自身を除く): 40784292

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 111431, 222862, 334293, 445724, 557155, 668586, 1002879, 1114310, 1337172, 1671465, 2005758, 2228620, 3342930, 4011516, 5014395, 6685860, 10028790, 20057580]

約数ペア:

[(1, 20057580), (2, 10028790), (3, 6685860), (4, 5014395), (5, 4011516), (6, 3342930), (9, 2228620), (10, 2005758), (12, 1671465), (15, 1337172), (18, 1114310), (20, 1002879), (30, 668586), (36, 557155), (45, 445724), (60, 334293), (90, 222862), (180, 111431)]