20789028008

素因数分解:

$2^3\times 7^1\times {\mathrm{269}}^1\times {\mathrm{1380047}}^1$

素因数の和:1380329

約数の個数: 32

約数和(自身を含む): 44713555200

約数和(自身を除く): 23924527192

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 269, 538, 1076, 1883, 2152, 3766, 7532, 15064, 1380047, 2760094, 5520188, 9660329, 11040376, 19320658, 38641316, 77282632, 371232643, 742465286, 1484930572, 2598628501, 2969861144, 5197257002, 10394514004, 20789028008]

約数ペア:

[(1, 20789028008), (2, 10394514004), (4, 5197257002), (7, 2969861144), (8, 2598628501), (14, 1484930572), (28, 742465286), (56, 371232643), (269, 77282632), (538, 38641316), (1076, 19320658), (1883, 11040376), (2152, 9660329), (3766, 5520188), (7532, 2760094), (15064, 1380047)]