20411586

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{4591}}^1$

素因数の和:4631

約数の個数: 48

約数和(自身を含む): 50144640

約数和(自身を除く): 29733054

約数列:

[1, 2, 3, 6, 9, 13, 18, 19, 26, 38, 39, 57, 78, 114, 117, 171, 234, 247, 342, 494, 741, 1482, 2223, 4446, 4591, 9182, 13773, 27546, 41319, 59683, 82638, 87229, 119366, 174458, 179049, 261687, 358098, 523374, 537147, 785061, 1074294, 1133977, 1570122, 2267954, 3401931, 6803862, 10205793, 20411586]

約数ペア:

[(1, 20411586), (2, 10205793), (3, 6803862), (6, 3401931), (9, 2267954), (13, 1570122), (18, 1133977), (19, 1074294), (26, 785061), (38, 537147), (39, 523374), (57, 358098), (78, 261687), (114, 179049), (117, 174458), (171, 119366), (234, 87229), (247, 82638), (342, 59683), (494, 41319), (741, 27546), (1482, 13773), (2223, 9182), (4446, 4591)]