20618484

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{1907}}^1$

素因数の和:1984

約数の個数: 48

約数和(自身を含む): 51928128

約数和(自身を除く): 31309644

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 53, 68, 102, 106, 159, 204, 212, 318, 636, 901, 1802, 1907, 2703, 3604, 3814, 5406, 5721, 7628, 10812, 11442, 22884, 32419, 64838, 97257, 101071, 129676, 194514, 202142, 303213, 389028, 404284, 606426, 1212852, 1718207, 3436414, 5154621, 6872828, 10309242, 20618484]

約数ペア:

[(1, 20618484), (2, 10309242), (3, 6872828), (4, 5154621), (6, 3436414), (12, 1718207), (17, 1212852), (34, 606426), (51, 404284), (53, 389028), (68, 303213), (102, 202142), (106, 194514), (159, 129676), (204, 101071), (212, 97257), (318, 64838), (636, 32419), (901, 22884), (1802, 11442), (1907, 10812), (2703, 7628), (3604, 5721), (3814, 5406)]