20176564954

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{210361}}^1$

素因数の和:210431

約数の個数: 64

約数和(自身を含む): 40712620032

約数和(自身を除く): 20536055078

約数列:

[1, 2, 7, 13, 14, 17, 26, 31, 34, 62, 91, 119, 182, 217, 221, 238, 403, 434, 442, 527, 806, 1054, 1547, 2821, 3094, 3689, 5642, 6851, 7378, 13702, 47957, 95914, 210361, 420722, 1472527, 2734693, 2945054, 3576137, 5469386, 6521191, 7152274, 13042382, 19142851, 25032959, 38285702, 45648337, 46489781, 50065918, 84775483, 91296674, 92979562, 110860247, 169550966, 221720494, 325428467, 593428381, 650856934, 776021729, 1186856762, 1441183211, 1552043458, 2882366422, 10088282477, 20176564954]

約数ペア:

[(1, 20176564954), (2, 10088282477), (7, 2882366422), (13, 1552043458), (14, 1441183211), (17, 1186856762), (26, 776021729), (31, 650856934), (34, 593428381), (62, 325428467), (91, 221720494), (119, 169550966), (182, 110860247), (217, 92979562), (221, 91296674), (238, 84775483), (403, 50065918), (434, 46489781), (442, 45648337), (527, 38285702), (806, 25032959), (1054, 19142851), (1547, 13042382), (2821, 7152274), (3094, 6521191), (3689, 5469386), (5642, 3576137), (6851, 2945054), (7378, 2734693), (13702, 1472527), (47957, 420722), (95914, 210361)]