20145123896

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{174061}}^1$

素因数の和:174144

約数の個数: 64

約数和(自身を含む): 42861026880

約数和(自身を除く): 22715902984

約数列:

[1, 2, 4, 8, 17, 23, 34, 37, 46, 68, 74, 92, 136, 148, 184, 296, 391, 629, 782, 851, 1258, 1564, 1702, 2516, 3128, 3404, 5032, 6808, 14467, 28934, 57868, 115736, 174061, 348122, 696244, 1392488, 2959037, 4003403, 5918074, 6440257, 8006806, 11836148, 12880514, 16013612, 23672296, 25761028, 32027224, 51522056, 68057851, 109484369, 136115702, 148125911, 218968738, 272231404, 296251822, 437937476, 544462808, 592503644, 875874952, 1185007288, 2518140487, 5036280974, 10072561948, 20145123896]

約数ペア:

[(1, 20145123896), (2, 10072561948), (4, 5036280974), (8, 2518140487), (17, 1185007288), (23, 875874952), (34, 592503644), (37, 544462808), (46, 437937476), (68, 296251822), (74, 272231404), (92, 218968738), (136, 148125911), (148, 136115702), (184, 109484369), (296, 68057851), (391, 51522056), (629, 32027224), (782, 25761028), (851, 23672296), (1258, 16013612), (1564, 12880514), (1702, 11836148), (2516, 8006806), (3128, 6440257), (3404, 5918074), (5032, 4003403), (6808, 2959037), (14467, 1392488), (28934, 696244), (57868, 348122), (115736, 174061)]