20768156964

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{506491}}^1$

素因数の和:506585

約数の個数: 72

約数和(自身を含む): 56415104928

約数和(自身を除く): 35646947964

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 67, 68, 102, 134, 153, 201, 204, 268, 306, 402, 603, 612, 804, 1139, 1206, 2278, 2412, 3417, 4556, 6834, 10251, 13668, 20502, 41004, 506491, 1012982, 1519473, 2025964, 3038946, 4558419, 6077892, 8610347, 9116838, 17220694, 18233676, 25831041, 33934897, 34441388, 51662082, 67869794, 77493123, 101804691, 103324164, 135739588, 154986246, 203609382, 305414073, 309972492, 407218764, 576893249, 610828146, 1153786498, 1221656292, 1730679747, 2307572996, 3461359494, 5192039241, 6922718988, 10384078482, 20768156964]

約数ペア:

[(1, 20768156964), (2, 10384078482), (3, 6922718988), (4, 5192039241), (6, 3461359494), (9, 2307572996), (12, 1730679747), (17, 1221656292), (18, 1153786498), (34, 610828146), (36, 576893249), (51, 407218764), (67, 309972492), (68, 305414073), (102, 203609382), (134, 154986246), (153, 135739588), (201, 103324164), (204, 101804691), (268, 77493123), (306, 67869794), (402, 51662082), (603, 34441388), (612, 33934897), (804, 25831041), (1139, 18233676), (1206, 17220694), (2278, 9116838), (2412, 8610347), (3417, 6077892), (4556, 4558419), (6834, 3038946), (10251, 2025964), (13668, 1519473), (20502, 1012982), (41004, 506491)]