20489971080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{2083}}^1\times {\mathrm{81973}}^1$

素因数の和:84070

約数の個数: 64

約数和(自身を含む): 61500173760

約数和(自身を除く): 41010202680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 2083, 4166, 6249, 8332, 10415, 12498, 16664, 20830, 24996, 31245, 41660, 49992, 62490, 81973, 83320, 124980, 163946, 245919, 249960, 327892, 409865, 491838, 655784, 819730, 983676, 1229595, 1639460, 1967352, 2459190, 3278920, 4918380, 9836760, 170749759, 341499518, 512249277, 682999036, 853748795, 1024498554, 1365998072, 1707497590, 2048997108, 2561246385, 3414995180, 4097994216, 5122492770, 6829990360, 10244985540, 20489971080]

約数ペア:

[(1, 20489971080), (2, 10244985540), (3, 6829990360), (4, 5122492770), (5, 4097994216), (6, 3414995180), (8, 2561246385), (10, 2048997108), (12, 1707497590), (15, 1365998072), (20, 1024498554), (24, 853748795), (30, 682999036), (40, 512249277), (60, 341499518), (120, 170749759), (2083, 9836760), (4166, 4918380), (6249, 3278920), (8332, 2459190), (10415, 1967352), (12498, 1639460), (16664, 1229595), (20830, 983676), (24996, 819730), (31245, 655784), (41660, 491838), (49992, 409865), (62490, 327892), (81973, 249960), (83320, 245919), (124980, 163946)]