20555964

素因数分解:

$2^2\times 3^3\times {\mathrm{11}}^4\times {\mathrm{13}}^1$

素因数の和:70

約数の個数: 120

約数和(自身を含む): 63131600

約数和(自身を除く): 42575636

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 13, 18, 22, 26, 27, 33, 36, 39, 44, 52, 54, 66, 78, 99, 108, 117, 121, 132, 143, 156, 198, 234, 242, 286, 297, 351, 363, 396, 429, 468, 484, 572, 594, 702, 726, 858, 1089, 1188, 1287, 1331, 1404, 1452, 1573, 1716, 2178, 2574, 2662, 3146, 3267, 3861, 3993, 4356, 4719, 5148, 5324, 6292, 6534, 7722, 7986, 9438, 11979, 13068, 14157, 14641, 15444, 15972, 17303, 18876, 23958, 28314, 29282, 34606, 35937, 42471, 43923, 47916, 51909, 56628, 58564, 69212, 71874, 84942, 87846, 103818, 131769, 143748, 155727, 169884, 175692, 190333, 207636, 263538, 311454, 380666, 395307, 467181, 527076, 570999, 622908, 761332, 790614, 934362, 1141998, 1581228, 1712997, 1868724, 2283996, 3425994, 5138991, 6851988, 10277982, 20555964]

約数ペア:

[(1, 20555964), (2, 10277982), (3, 6851988), (4, 5138991), (6, 3425994), (9, 2283996), (11, 1868724), (12, 1712997), (13, 1581228), (18, 1141998), (22, 934362), (26, 790614), (27, 761332), (33, 622908), (36, 570999), (39, 527076), (44, 467181), (52, 395307), (54, 380666), (66, 311454), (78, 263538), (99, 207636), (108, 190333), (117, 175692), (121, 169884), (132, 155727), (143, 143748), (156, 131769), (198, 103818), (234, 87846), (242, 84942), (286, 71874), (297, 69212), (351, 58564), (363, 56628), (396, 51909), (429, 47916), (468, 43923), (484, 42471), (572, 35937), (594, 34606), (702, 29282), (726, 28314), (858, 23958), (1089, 18876), (1188, 17303), (1287, 15972), (1331, 15444), (1404, 14641), (1452, 14157), (1573, 13068), (1716, 11979), (2178, 9438), (2574, 7986), (2662, 7722), (3146, 6534), (3267, 6292), (3861, 5324), (3993, 5148), (4356, 4719)]