20589034780

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{302513}}^1$

素因数の和:302646

約数の個数: 48

約数和(自身を含む): 44825314464

約数和(自身を除く): 24236279684

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 83, 164, 166, 205, 332, 410, 415, 820, 830, 1660, 3403, 6806, 13612, 17015, 34030, 68060, 302513, 605026, 1210052, 1512565, 3025130, 6050260, 12403033, 24806066, 25108579, 49612132, 50217158, 62015165, 100434316, 124030330, 125542895, 248060660, 251085790, 502171580, 1029451739, 2058903478, 4117806956, 5147258695, 10294517390, 20589034780]

約数ペア:

[(1, 20589034780), (2, 10294517390), (4, 5147258695), (5, 4117806956), (10, 2058903478), (20, 1029451739), (41, 502171580), (82, 251085790), (83, 248060660), (164, 125542895), (166, 124030330), (205, 100434316), (332, 62015165), (410, 50217158), (415, 49612132), (820, 25108579), (830, 24806066), (1660, 12403033), (3403, 6050260), (6806, 3025130), (13612, 1512565), (17015, 1210052), (34030, 605026), (68060, 302513)]