19885920

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2437}}^1$

素因数の和:2472

約数の個数: 96

約数和(自身を含む): 66352608

約数和(自身を除く): 46466688

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 68, 80, 85, 96, 102, 120, 136, 160, 170, 204, 240, 255, 272, 340, 408, 480, 510, 544, 680, 816, 1020, 1360, 1632, 2040, 2437, 2720, 4080, 4874, 7311, 8160, 9748, 12185, 14622, 19496, 24370, 29244, 36555, 38992, 41429, 48740, 58488, 73110, 77984, 82858, 97480, 116976, 124287, 146220, 165716, 194960, 207145, 233952, 248574, 292440, 331432, 389920, 414290, 497148, 584880, 621435, 662864, 828580, 994296, 1169760, 1242870, 1325728, 1657160, 1988592, 2485740, 3314320, 3977184, 4971480, 6628640, 9942960, 19885920]

約数ペア:

[(1, 19885920), (2, 9942960), (3, 6628640), (4, 4971480), (5, 3977184), (6, 3314320), (8, 2485740), (10, 1988592), (12, 1657160), (15, 1325728), (16, 1242870), (17, 1169760), (20, 994296), (24, 828580), (30, 662864), (32, 621435), (34, 584880), (40, 497148), (48, 414290), (51, 389920), (60, 331432), (68, 292440), (80, 248574), (85, 233952), (96, 207145), (102, 194960), (120, 165716), (136, 146220), (160, 124287), (170, 116976), (204, 97480), (240, 82858), (255, 77984), (272, 73110), (340, 58488), (408, 48740), (480, 41429), (510, 38992), (544, 36555), (680, 29244), (816, 24370), (1020, 19496), (1360, 14622), (1632, 12185), (2040, 9748), (2437, 8160), (2720, 7311), (4080, 4874)]