20169989372

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2621}}^1\times {\mathrm{7789}}^1$

素因数の和:10446

約数の個数: 48

約数和(自身を含む): 40033744800

約数和(自身を除く): 19863755428

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988, 2621, 5242, 7789, 10484, 15578, 31156, 34073, 49799, 68146, 99598, 101257, 136292, 147991, 199196, 202514, 295982, 405028, 591964, 647387, 1294774, 1923883, 2589548, 3847766, 7695532, 20414969, 40829938, 81659876, 265394597, 387884411, 530789194, 775768822, 1061578388, 1551537644, 5042497343, 10084994686, 20169989372]

約数ペア:

[(1, 20169989372), (2, 10084994686), (4, 5042497343), (13, 1551537644), (19, 1061578388), (26, 775768822), (38, 530789194), (52, 387884411), (76, 265394597), (247, 81659876), (494, 40829938), (988, 20414969), (2621, 7695532), (5242, 3847766), (7789, 2589548), (10484, 1923883), (15578, 1294774), (31156, 647387), (34073, 591964), (49799, 405028), (68146, 295982), (99598, 202514), (101257, 199196), (136292, 147991)]