20068496637

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{326939}}^1$

素因数の和:327065

約数の個数: 32

約数和(自身を含む): 31804723200

約数和(自身を除く): 11736226563

約数列:

[1, 3, 7, 21, 37, 79, 111, 237, 259, 553, 777, 1659, 2923, 8769, 20461, 61383, 326939, 980817, 2288573, 6865719, 12096743, 25828181, 36290229, 77484543, 84677201, 180797267, 254031603, 542391801, 955642697, 2866928091, 6689498879, 20068496637]

約数ペア:

[(1, 20068496637), (3, 6689498879), (7, 2866928091), (21, 955642697), (37, 542391801), (79, 254031603), (111, 180797267), (237, 84677201), (259, 77484543), (553, 36290229), (777, 25828181), (1659, 12096743), (2923, 6865719), (8769, 2288573), (20461, 980817), (61383, 326939)]