20959050

素因数分解:

$2^1\times 3^1\times 5^2\times 7^1\times {\mathrm{19961}}^1$

素因数の和:19983

約数の個数: 48

約数和(自身を含む): 59406912

約数和(自身を除く): 38447862

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 42, 50, 70, 75, 105, 150, 175, 210, 350, 525, 1050, 19961, 39922, 59883, 99805, 119766, 139727, 199610, 279454, 299415, 419181, 499025, 598830, 698635, 838362, 998050, 1397270, 1497075, 2095905, 2994150, 3493175, 4191810, 6986350, 10479525, 20959050]

約数ペア:

[(1, 20959050), (2, 10479525), (3, 6986350), (5, 4191810), (6, 3493175), (7, 2994150), (10, 2095905), (14, 1497075), (15, 1397270), (21, 998050), (25, 838362), (30, 698635), (35, 598830), (42, 499025), (50, 419181), (70, 299415), (75, 279454), (105, 199610), (150, 139727), (175, 119766), (210, 99805), (350, 59883), (525, 39922), (1050, 19961)]