20952976

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1$

素因数の和:232

約数の個数: 80

約数和(自身を含む): 48211200

約数和(自身を除く): 27258224

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 34, 44, 47, 68, 88, 94, 136, 149, 176, 187, 188, 272, 298, 374, 376, 517, 596, 748, 752, 799, 1034, 1192, 1496, 1598, 1639, 2068, 2384, 2533, 2992, 3196, 3278, 4136, 5066, 6392, 6556, 7003, 8272, 8789, 10132, 12784, 13112, 14006, 17578, 20264, 26224, 27863, 28012, 35156, 40528, 55726, 56024, 70312, 77033, 111452, 112048, 119051, 140624, 154066, 222904, 238102, 308132, 445808, 476204, 616264, 952408, 1232528, 1309561, 1904816, 2619122, 5238244, 10476488, 20952976]

約数ペア:

[(1, 20952976), (2, 10476488), (4, 5238244), (8, 2619122), (11, 1904816), (16, 1309561), (17, 1232528), (22, 952408), (34, 616264), (44, 476204), (47, 445808), (68, 308132), (88, 238102), (94, 222904), (136, 154066), (149, 140624), (176, 119051), (187, 112048), (188, 111452), (272, 77033), (298, 70312), (374, 56024), (376, 55726), (517, 40528), (596, 35156), (748, 28012), (752, 27863), (799, 26224), (1034, 20264), (1192, 17578), (1496, 14006), (1598, 13112), (1639, 12784), (2068, 10132), (2384, 8789), (2533, 8272), (2992, 7003), (3196, 6556), (3278, 6392), (4136, 5066)]