20518386

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{457}}^1\times {\mathrm{1069}}^1$

素因数の和:1538

約数の個数: 32

約数和(自身を含む): 47045760

約数和(自身を除く): 26527374

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 457, 914, 1069, 1371, 2138, 2742, 3199, 3207, 6398, 6414, 7483, 9597, 14966, 19194, 22449, 44898, 488533, 977066, 1465599, 2931198, 3419731, 6839462, 10259193, 20518386]

約数ペア:

[(1, 20518386), (2, 10259193), (3, 6839462), (6, 3419731), (7, 2931198), (14, 1465599), (21, 977066), (42, 488533), (457, 44898), (914, 22449), (1069, 19194), (1371, 14966), (2138, 9597), (2742, 7483), (3199, 6414), (3207, 6398)]