20347038

素因数分解:

$2^1\times 3^4\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:175

約数の個数: 80

約数和(自身を含む): 48612960

約数和(自身を除く): 28265922

約数列:

[1, 2, 3, 6, 9, 18, 27, 29, 54, 58, 61, 71, 81, 87, 122, 142, 162, 174, 183, 213, 261, 366, 426, 522, 549, 639, 783, 1098, 1278, 1566, 1647, 1769, 1917, 2059, 2349, 3294, 3538, 3834, 4118, 4331, 4698, 4941, 5307, 5751, 6177, 8662, 9882, 10614, 11502, 12354, 12993, 15921, 18531, 25986, 31842, 37062, 38979, 47763, 55593, 77958, 95526, 111186, 116937, 125599, 143289, 166779, 233874, 251198, 286578, 333558, 350811, 376797, 701622, 753594, 1130391, 2260782, 3391173, 6782346, 10173519, 20347038]

約数ペア:

[(1, 20347038), (2, 10173519), (3, 6782346), (6, 3391173), (9, 2260782), (18, 1130391), (27, 753594), (29, 701622), (54, 376797), (58, 350811), (61, 333558), (71, 286578), (81, 251198), (87, 233874), (122, 166779), (142, 143289), (162, 125599), (174, 116937), (183, 111186), (213, 95526), (261, 77958), (366, 55593), (426, 47763), (522, 38979), (549, 37062), (639, 31842), (783, 25986), (1098, 18531), (1278, 15921), (1566, 12993), (1647, 12354), (1769, 11502), (1917, 10614), (2059, 9882), (2349, 8662), (3294, 6177), (3538, 5751), (3834, 5307), (4118, 4941), (4331, 4698)]