20512606777

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{191}}^1\times {\mathrm{3989}}^1$

素因数の和:4321

約数の個数: 32

約数和(自身を含む): 23595264000

約数和(自身を除く): 3082657223

約数列:

[1, 13, 19, 109, 191, 247, 1417, 2071, 2483, 3629, 3989, 20819, 26923, 47177, 51857, 75791, 270647, 395561, 434801, 761899, 985283, 5142293, 5652413, 8261219, 9904687, 14476081, 83046991, 107395847, 188189053, 1079610883, 1577892829, 20512606777]

約数ペア:

[(1, 20512606777), (13, 1577892829), (19, 1079610883), (109, 188189053), (191, 107395847), (247, 83046991), (1417, 14476081), (2071, 9904687), (2483, 8261219), (3629, 5652413), (3989, 5142293), (20819, 985283), (26923, 761899), (47177, 434801), (51857, 395561), (75791, 270647)]