20788791036

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{211}}^1\times {\mathrm{4973}}^1$

素因数の和:5331

約数の個数: 96

約数和(自身を含む): 52909989888

約数和(自身を除く): 32121198852

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 127, 156, 211, 254, 381, 422, 508, 633, 762, 844, 1266, 1524, 1651, 2532, 2743, 3302, 4953, 4973, 5486, 6604, 8229, 9906, 9946, 10972, 14919, 16458, 19812, 19892, 26797, 29838, 32916, 53594, 59676, 64649, 80391, 107188, 129298, 160782, 193947, 258596, 321564, 348361, 387894, 631571, 696722, 775788, 1045083, 1049303, 1263142, 1393444, 1894713, 2090166, 2098606, 2526284, 3147909, 3789426, 4180332, 4197212, 6295818, 7578852, 8210423, 12591636, 13640939, 16420846, 24631269, 27281878, 32841692, 40922817, 49262538, 54563756, 81845634, 98525076, 133261481, 163691268, 266522962, 399784443, 533045924, 799568886, 1599137772, 1732399253, 3464798506, 5197197759, 6929597012, 10394395518, 20788791036]

約数ペア:

[(1, 20788791036), (2, 10394395518), (3, 6929597012), (4, 5197197759), (6, 3464798506), (12, 1732399253), (13, 1599137772), (26, 799568886), (39, 533045924), (52, 399784443), (78, 266522962), (127, 163691268), (156, 133261481), (211, 98525076), (254, 81845634), (381, 54563756), (422, 49262538), (508, 40922817), (633, 32841692), (762, 27281878), (844, 24631269), (1266, 16420846), (1524, 13640939), (1651, 12591636), (2532, 8210423), (2743, 7578852), (3302, 6295818), (4953, 4197212), (4973, 4180332), (5486, 3789426), (6604, 3147909), (8229, 2526284), (9906, 2098606), (9946, 2090166), (10972, 1894713), (14919, 1393444), (16458, 1263142), (19812, 1049303), (19892, 1045083), (26797, 775788), (29838, 696722), (32916, 631571), (53594, 387894), (59676, 348361), (64649, 321564), (80391, 258596), (107188, 193947), (129298, 160782)]