20090939435

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{727}}^1\times {\mathrm{1433}}^1$

素因数の和:2220

約数の個数: 64

約数和(自身を含む): 30065817600

約数和(自身を除く): 9974878165

約数列:

[1, 5, 7, 19, 29, 35, 95, 133, 145, 203, 551, 665, 727, 1015, 1433, 2755, 3635, 3857, 5089, 7165, 10031, 13813, 19285, 21083, 25445, 27227, 41557, 50155, 69065, 96691, 105415, 136135, 147581, 190589, 207785, 290899, 400577, 483455, 737905, 789583, 952945, 1041791, 1454495, 2002885, 2804039, 3947915, 5208955, 5527081, 7292537, 14020195, 19794029, 27635405, 30211939, 36462685, 98970145, 138558203, 151059695, 211483573, 574026841, 692791015, 1057417865, 2870134205, 4018187887, 20090939435]

約数ペア:

[(1, 20090939435), (5, 4018187887), (7, 2870134205), (19, 1057417865), (29, 692791015), (35, 574026841), (95, 211483573), (133, 151059695), (145, 138558203), (203, 98970145), (551, 36462685), (665, 30211939), (727, 27635405), (1015, 19794029), (1433, 14020195), (2755, 7292537), (3635, 5527081), (3857, 5208955), (5089, 3947915), (7165, 2804039), (10031, 2002885), (13813, 1454495), (19285, 1041791), (21083, 952945), (25445, 789583), (27227, 737905), (41557, 483455), (50155, 400577), (69065, 290899), (96691, 207785), (105415, 190589), (136135, 147581)]