20112540052

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{379}}^1\times {\mathrm{16987}}^1$

素因数の和:17452

約数の個数: 48

約数和(自身を含む): 39042501120

約数和(自身を除く): 18929961068

約数列:

[1, 2, 4, 11, 22, 44, 71, 142, 284, 379, 758, 781, 1516, 1562, 3124, 4169, 8338, 16676, 16987, 26909, 33974, 53818, 67948, 107636, 186857, 295999, 373714, 591998, 747428, 1183996, 1206077, 2412154, 4824308, 6438073, 12876146, 13266847, 25752292, 26533694, 53067388, 70818803, 141637606, 283275212, 457103183, 914206366, 1828412732, 5028135013, 10056270026, 20112540052]

約数ペア:

[(1, 20112540052), (2, 10056270026), (4, 5028135013), (11, 1828412732), (22, 914206366), (44, 457103183), (71, 283275212), (142, 141637606), (284, 70818803), (379, 53067388), (758, 26533694), (781, 25752292), (1516, 13266847), (1562, 12876146), (3124, 6438073), (4169, 4824308), (8338, 2412154), (16676, 1206077), (16987, 1183996), (26909, 747428), (33974, 591998), (53818, 373714), (67948, 295999), (107636, 186857)]