20113237809

素因数分解:

$3^2\times 7^2\times {\mathrm{53}}^1\times {\mathrm{860533}}^1$

素因数の和:860606

約数の個数: 36

約数和(自身を含む): 34433407476

約数和(自身を除く): 14320169667

約数列:

[1, 3, 7, 9, 21, 49, 53, 63, 147, 159, 371, 441, 477, 1113, 2597, 3339, 7791, 23373, 860533, 2581599, 6023731, 7744797, 18071193, 42166117, 45608249, 54213579, 126498351, 136824747, 319257743, 379495053, 410474241, 957773229, 2234804201, 2873319687, 6704412603, 20113237809]

約数ペア:

[(1, 20113237809), (3, 6704412603), (7, 2873319687), (9, 2234804201), (21, 957773229), (49, 410474241), (53, 379495053), (63, 319257743), (147, 136824747), (159, 126498351), (371, 54213579), (441, 45608249), (477, 42166117), (1113, 18071193), (2597, 7744797), (3339, 6023731), (7791, 2581599), (23373, 860533)]