20520632

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1$

素因数の和:117

約数の個数: 96

約数和(自身を含む): 47401200

約数和(自身を除く): 26880568

約数列:

[1, 2, 4, 8, 11, 17, 22, 29, 34, 43, 44, 58, 68, 86, 88, 116, 121, 136, 172, 187, 232, 242, 319, 344, 374, 473, 484, 493, 638, 731, 748, 946, 968, 986, 1247, 1276, 1462, 1496, 1892, 1972, 2057, 2494, 2552, 2924, 3509, 3784, 3944, 4114, 4988, 5203, 5423, 5848, 7018, 8041, 8228, 9976, 10406, 10846, 13717, 14036, 16082, 16456, 20812, 21199, 21692, 27434, 28072, 32164, 41624, 42398, 43384, 54868, 59653, 64328, 84796, 88451, 109736, 119306, 150887, 169592, 176902, 233189, 238612, 301774, 353804, 466378, 477224, 603548, 707608, 932756, 1207096, 1865512, 2565079, 5130158, 10260316, 20520632]

約数ペア:

[(1, 20520632), (2, 10260316), (4, 5130158), (8, 2565079), (11, 1865512), (17, 1207096), (22, 932756), (29, 707608), (34, 603548), (43, 477224), (44, 466378), (58, 353804), (68, 301774), (86, 238612), (88, 233189), (116, 176902), (121, 169592), (136, 150887), (172, 119306), (187, 109736), (232, 88451), (242, 84796), (319, 64328), (344, 59653), (374, 54868), (473, 43384), (484, 42398), (493, 41624), (638, 32164), (731, 28072), (748, 27434), (946, 21692), (968, 21199), (986, 20812), (1247, 16456), (1276, 16082), (1462, 14036), (1496, 13717), (1892, 10846), (1972, 10406), (2057, 9976), (2494, 8228), (2552, 8041), (2924, 7018), (3509, 5848), (3784, 5423), (3944, 5203), (4114, 4988)]