20869618

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{4673}}^1$

素因数の和:4722

約数の個数: 32

約数和(自身を含む): 40383360

約数和(自身を除く): 19513742

約数列:

[1, 2, 7, 11, 14, 22, 29, 58, 77, 154, 203, 319, 406, 638, 2233, 4466, 4673, 9346, 32711, 51403, 65422, 102806, 135517, 271034, 359821, 719642, 948619, 1490687, 1897238, 2981374, 10434809, 20869618]

約数ペア:

[(1, 20869618), (2, 10434809), (7, 2981374), (11, 1897238), (14, 1490687), (22, 948619), (29, 719642), (58, 359821), (77, 271034), (154, 135517), (203, 102806), (319, 65422), (406, 51403), (638, 32711), (2233, 9346), (4466, 4673)]