2020232020

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{151}}^1\times {\mathrm{331}}^1$

素因数の和:581

約数の個数: 96

約数和(自身を含む): 4476358656

約数和(自身を除く): 2456126636

約数列:

[1, 2, 4, 5, 10, 20, 43, 47, 86, 94, 151, 172, 188, 215, 235, 302, 331, 430, 470, 604, 662, 755, 860, 940, 1324, 1510, 1655, 2021, 3020, 3310, 4042, 6493, 6620, 7097, 8084, 10105, 12986, 14194, 14233, 15557, 20210, 25972, 28388, 28466, 31114, 32465, 35485, 40420, 49981, 56932, 62228, 64930, 70970, 71165, 77785, 99962, 129860, 141940, 142330, 155570, 199924, 249905, 284660, 305171, 311140, 499810, 610342, 668951, 999620, 1220684, 1337902, 1525855, 2149183, 2349107, 2675804, 3051710, 3344755, 4298366, 4698214, 6103420, 6689510, 8596732, 9396428, 10745915, 11745535, 13379020, 21491830, 23491070, 42983660, 46982140, 101011601, 202023202, 404046404, 505058005, 1010116010, 2020232020]

約数ペア:

[(1, 2020232020), (2, 1010116010), (4, 505058005), (5, 404046404), (10, 202023202), (20, 101011601), (43, 46982140), (47, 42983660), (86, 23491070), (94, 21491830), (151, 13379020), (172, 11745535), (188, 10745915), (215, 9396428), (235, 8596732), (302, 6689510), (331, 6103420), (430, 4698214), (470, 4298366), (604, 3344755), (662, 3051710), (755, 2675804), (860, 2349107), (940, 2149183), (1324, 1525855), (1510, 1337902), (1655, 1220684), (2021, 999620), (3020, 668951), (3310, 610342), (4042, 499810), (6493, 311140), (6620, 305171), (7097, 284660), (8084, 249905), (10105, 199924), (12986, 155570), (14194, 142330), (14233, 141940), (15557, 129860), (20210, 99962), (25972, 77785), (28388, 71165), (28466, 70970), (31114, 64930), (32465, 62228), (35485, 56932), (40420, 49981)]