20129771711

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{35027}}^1$

素因数の和:35231

約数の個数: 32

約数和(自身を含む): 25220160000

約数和(自身を除く): 5090388289

約数列:

[1, 7, 19, 29, 133, 149, 203, 551, 1043, 2831, 3857, 4321, 19817, 30247, 35027, 82099, 245189, 574693, 665513, 1015783, 4658591, 5219023, 7110481, 19299877, 36533161, 99161437, 135099139, 151351667, 694130059, 1059461669, 2875681673, 20129771711]

約数ペア:

[(1, 20129771711), (7, 2875681673), (19, 1059461669), (29, 694130059), (133, 151351667), (149, 135099139), (203, 99161437), (551, 36533161), (1043, 19299877), (2831, 7110481), (3857, 5219023), (4321, 4658591), (19817, 1015783), (30247, 665513), (35027, 574693), (82099, 245189)]