20784028538

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{277}}^1\times {\mathrm{24251}}^1$

素因数の和:24567

約数の個数: 64

約数和(自身を含む): 40775954688

約数和(自身を除く): 19991926150

約数列:

[1, 2, 7, 13, 14, 17, 26, 34, 91, 119, 182, 221, 238, 277, 442, 554, 1547, 1939, 3094, 3601, 3878, 4709, 7202, 9418, 24251, 25207, 32963, 48502, 50414, 61217, 65926, 122434, 169757, 315263, 339514, 412267, 428519, 630526, 824534, 857038, 2206841, 2885869, 4413682, 5359471, 5771738, 6717527, 10718942, 13435054, 37516297, 47022689, 75032594, 87327851, 94045378, 114197959, 174655702, 228395918, 611294957, 799385713, 1222589914, 1484573467, 1598771426, 2969146934, 10392014269, 20784028538]

約数ペア:

[(1, 20784028538), (2, 10392014269), (7, 2969146934), (13, 1598771426), (14, 1484573467), (17, 1222589914), (26, 799385713), (34, 611294957), (91, 228395918), (119, 174655702), (182, 114197959), (221, 94045378), (238, 87327851), (277, 75032594), (442, 47022689), (554, 37516297), (1547, 13435054), (1939, 10718942), (3094, 6717527), (3601, 5771738), (3878, 5359471), (4709, 4413682), (7202, 2885869), (9418, 2206841), (24251, 857038), (25207, 824534), (32963, 630526), (48502, 428519), (50414, 412267), (61217, 339514), (65926, 315263), (122434, 169757)]