20996834712

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{479}}^1\times {\mathrm{260921}}^1$

素因数の和:261416

約数の個数: 64

約数和(自身を含む): 60116428800

約数和(自身を除く): 39119594088

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 479, 958, 1437, 1916, 2874, 3353, 3832, 5748, 6706, 10059, 11496, 13412, 20118, 26824, 40236, 80472, 260921, 521842, 782763, 1043684, 1565526, 1826447, 2087368, 3131052, 3652894, 5479341, 6262104, 7305788, 10958682, 14611576, 21917364, 43834728, 124981159, 249962318, 374943477, 499924636, 749886954, 874868113, 999849272, 1499773908, 1749736226, 2624604339, 2999547816, 3499472452, 5249208678, 6998944904, 10498417356, 20996834712]

約数ペア:

[(1, 20996834712), (2, 10498417356), (3, 6998944904), (4, 5249208678), (6, 3499472452), (7, 2999547816), (8, 2624604339), (12, 1749736226), (14, 1499773908), (21, 999849272), (24, 874868113), (28, 749886954), (42, 499924636), (56, 374943477), (84, 249962318), (168, 124981159), (479, 43834728), (958, 21917364), (1437, 14611576), (1916, 10958682), (2874, 7305788), (3353, 6262104), (3832, 5479341), (5748, 3652894), (6706, 3131052), (10059, 2087368), (11496, 1826447), (13412, 1565526), (20118, 1043684), (26824, 782763), (40236, 521842), (80472, 260921)]