20119260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{47903}}^1$

素因数の和:47922

約数の個数: 48

約数和(自身を含む): 64382976

約数和(自身を除く): 44263716

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 47903, 95806, 143709, 191612, 239515, 287418, 335321, 479030, 574836, 670642, 718545, 958060, 1005963, 1341284, 1437090, 1676605, 2011926, 2874180, 3353210, 4023852, 5029815, 6706420, 10059630, 20119260]

約数ペア:

[(1, 20119260), (2, 10059630), (3, 6706420), (4, 5029815), (5, 4023852), (6, 3353210), (7, 2874180), (10, 2011926), (12, 1676605), (14, 1437090), (15, 1341284), (20, 1005963), (21, 958060), (28, 718545), (30, 670642), (35, 574836), (42, 479030), (60, 335321), (70, 287418), (84, 239515), (105, 191612), (140, 143709), (210, 95806), (420, 47903)]