20005778415

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{273359}}^1$

素因数の和:273432

約数の個数: 64

約数和(自身を含む): 39678750720

約数和(自身を除く): 19672972305

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 41, 51, 85, 105, 119, 123, 205, 255, 287, 357, 595, 615, 697, 861, 1435, 1785, 2091, 3485, 4305, 4879, 10455, 14637, 24395, 73185, 273359, 820077, 1366795, 1913513, 4100385, 4647103, 5740539, 9567565, 11207719, 13941309, 23235515, 28702695, 32529721, 33623157, 56038595, 69706545, 78454033, 97589163, 162648605, 168115785, 190531223, 235362099, 392270165, 487945815, 571593669, 952656115, 1176810495, 1333718561, 2857968345, 4001155683, 6668592805, 20005778415]

約数ペア:

[(1, 20005778415), (3, 6668592805), (5, 4001155683), (7, 2857968345), (15, 1333718561), (17, 1176810495), (21, 952656115), (35, 571593669), (41, 487945815), (51, 392270165), (85, 235362099), (105, 190531223), (119, 168115785), (123, 162648605), (205, 97589163), (255, 78454033), (287, 69706545), (357, 56038595), (595, 33623157), (615, 32529721), (697, 28702695), (861, 23235515), (1435, 13941309), (1785, 11207719), (2091, 9567565), (3485, 5740539), (4305, 4647103), (4879, 4100385), (10455, 1913513), (14637, 1366795), (24395, 820077), (73185, 273359)]