20005928488

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{461}}^1\times {\mathrm{59611}}^1$

素因数の和:60098

約数の個数: 64

約数和(自身を含む): 46268449920

約数和(自身を除く): 26262521432

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 461, 728, 922, 1844, 3227, 3688, 5993, 6454, 11986, 12908, 23972, 25816, 41951, 47944, 59611, 83902, 119222, 167804, 238444, 335608, 417277, 476888, 774943, 834554, 1549886, 1669108, 3099772, 3338216, 5424601, 6199544, 10849202, 21698404, 27480671, 43396808, 54961342, 109922684, 192364697, 219845368, 357248723, 384729394, 714497446, 769458788, 1428994892, 1538917576, 2500741061, 2857989784, 5001482122, 10002964244, 20005928488]

約数ペア:

[(1, 20005928488), (2, 10002964244), (4, 5001482122), (7, 2857989784), (8, 2500741061), (13, 1538917576), (14, 1428994892), (26, 769458788), (28, 714497446), (52, 384729394), (56, 357248723), (91, 219845368), (104, 192364697), (182, 109922684), (364, 54961342), (461, 43396808), (728, 27480671), (922, 21698404), (1844, 10849202), (3227, 6199544), (3688, 5424601), (5993, 3338216), (6454, 3099772), (11986, 1669108), (12908, 1549886), (23972, 834554), (25816, 774943), (41951, 476888), (47944, 417277), (59611, 335608), (83902, 238444), (119222, 167804)]