20163375358

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{967}}^1\times {\mathrm{1823}}^1$

素因数の和:2861

約数の個数: 64

約数和(自身を含む): 37290147840

約数和(自身を除く): 17126772482

約数列:

[1, 2, 7, 14, 19, 38, 43, 86, 133, 266, 301, 602, 817, 967, 1634, 1823, 1934, 3646, 5719, 6769, 11438, 12761, 13538, 18373, 25522, 34637, 36746, 41581, 69274, 78389, 83162, 128611, 156778, 242459, 257222, 291067, 484918, 548723, 582134, 790039, 1097446, 1489391, 1580078, 1762841, 2978782, 3525682, 5530273, 10425737, 11060546, 12339887, 20851474, 24679774, 33493979, 66987958, 75802163, 151604326, 234457853, 468915706, 530615141, 1061230282, 1440241097, 2880482194, 10081687679, 20163375358]

約数ペア:

[(1, 20163375358), (2, 10081687679), (7, 2880482194), (14, 1440241097), (19, 1061230282), (38, 530615141), (43, 468915706), (86, 234457853), (133, 151604326), (266, 75802163), (301, 66987958), (602, 33493979), (817, 24679774), (967, 20851474), (1634, 12339887), (1823, 11060546), (1934, 10425737), (3646, 5530273), (5719, 3525682), (6769, 2978782), (11438, 1762841), (12761, 1580078), (13538, 1489391), (18373, 1097446), (25522, 790039), (34637, 582134), (36746, 548723), (41581, 484918), (69274, 291067), (78389, 257222), (83162, 242459), (128611, 156778)]