20984288955

素因数分解:

$3^1\times 5^1\times 7^3\times {\mathrm{4078579}}^1$

素因数の和:4078608

約数の個数: 32

約数和(自身を含む): 39154368000

約数和(自身を除く): 18170079045

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 343, 735, 1029, 1715, 5145, 4078579, 12235737, 20392895, 28550053, 61178685, 85650159, 142750265, 199850371, 428250795, 599551113, 999251855, 1398952597, 2997755565, 4196857791, 6994762985, 20984288955]

約数ペア:

[(1, 20984288955), (3, 6994762985), (5, 4196857791), (7, 2997755565), (15, 1398952597), (21, 999251855), (35, 599551113), (49, 428250795), (105, 199850371), (147, 142750265), (245, 85650159), (343, 61178685), (735, 28550053), (1029, 20392895), (1715, 12235737), (5145, 4078579)]