20235971644

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{161717}}^1$

素因数の和:161878

約数の個数: 48

約数和(自身を含む): 41839680960

約数和(自身を除く): 21603709316

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 109, 164, 218, 287, 436, 574, 763, 1148, 1526, 3052, 4469, 8938, 17876, 31283, 62566, 125132, 161717, 323434, 646868, 1132019, 2264038, 4528076, 6630397, 13260794, 17627153, 26521588, 35254306, 46412779, 70508612, 92825558, 123390071, 185651116, 246780142, 493560284, 722713273, 1445426546, 2890853092, 5058992911, 10117985822, 20235971644]

約数ペア:

[(1, 20235971644), (2, 10117985822), (4, 5058992911), (7, 2890853092), (14, 1445426546), (28, 722713273), (41, 493560284), (82, 246780142), (109, 185651116), (164, 123390071), (218, 92825558), (287, 70508612), (436, 46412779), (574, 35254306), (763, 26521588), (1148, 17627153), (1526, 13260794), (3052, 6630397), (4469, 4528076), (8938, 2264038), (17876, 1132019), (31283, 646868), (62566, 323434), (125132, 161717)]