20223827728

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{197}}^1\times {\mathrm{6761}}^1$

素因数の和:7052

約数の個数: 80

約数和(自身を含む): 42999341616

約数和(自身を除く): 22775513888

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 73, 104, 146, 197, 208, 292, 394, 584, 788, 949, 1168, 1576, 1898, 2561, 3152, 3796, 5122, 6761, 7592, 10244, 13522, 14381, 15184, 20488, 27044, 28762, 40976, 54088, 57524, 87893, 108176, 115048, 175786, 186953, 230096, 351572, 373906, 493553, 703144, 747812, 987106, 1331917, 1406288, 1495624, 1974212, 2663834, 2991248, 3948424, 5327668, 6416189, 7896848, 10655336, 12832378, 17314921, 21310672, 25664756, 34629842, 51329512, 69259684, 97229941, 102659024, 138519368, 194459882, 277038736, 388919764, 777839528, 1263989233, 1555679056, 2527978466, 5055956932, 10111913864, 20223827728]

約数ペア:

[(1, 20223827728), (2, 10111913864), (4, 5055956932), (8, 2527978466), (13, 1555679056), (16, 1263989233), (26, 777839528), (52, 388919764), (73, 277038736), (104, 194459882), (146, 138519368), (197, 102659024), (208, 97229941), (292, 69259684), (394, 51329512), (584, 34629842), (788, 25664756), (949, 21310672), (1168, 17314921), (1576, 12832378), (1898, 10655336), (2561, 7896848), (3152, 6416189), (3796, 5327668), (5122, 3948424), (6761, 2991248), (7592, 2663834), (10244, 1974212), (13522, 1495624), (14381, 1406288), (15184, 1331917), (20488, 987106), (27044, 747812), (28762, 703144), (40976, 493553), (54088, 373906), (57524, 351572), (87893, 230096), (108176, 186953), (115048, 175786)]