20868408

素因数分解:

$2^3\times 3^3\times {\mathrm{11}}^1\times {\mathrm{8783}}^1$

素因数の和:8809

約数の個数: 64

約数和(自身を含む): 63244800

約数和(自身を除く): 42376392

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 27, 33, 36, 44, 54, 66, 72, 88, 99, 108, 132, 198, 216, 264, 297, 396, 594, 792, 1188, 2376, 8783, 17566, 26349, 35132, 52698, 70264, 79047, 96613, 105396, 158094, 193226, 210792, 237141, 289839, 316188, 386452, 474282, 579678, 632376, 772904, 869517, 948564, 1159356, 1739034, 1897128, 2318712, 2608551, 3478068, 5217102, 6956136, 10434204, 20868408]

約数ペア:

[(1, 20868408), (2, 10434204), (3, 6956136), (4, 5217102), (6, 3478068), (8, 2608551), (9, 2318712), (11, 1897128), (12, 1739034), (18, 1159356), (22, 948564), (24, 869517), (27, 772904), (33, 632376), (36, 579678), (44, 474282), (54, 386452), (66, 316188), (72, 289839), (88, 237141), (99, 210792), (108, 193226), (132, 158094), (198, 105396), (216, 96613), (264, 79047), (297, 70264), (396, 52698), (594, 35132), (792, 26349), (1188, 17566), (2376, 8783)]