20232590

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{157}}^1\times {\mathrm{263}}^1$

素因数の和:441

約数の個数: 48

約数和(自身を含む): 42796512

約数和(自身を除く): 22563922

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 157, 245, 263, 314, 490, 526, 785, 1099, 1315, 1570, 1841, 2198, 2630, 3682, 5495, 7693, 9205, 10990, 12887, 15386, 18410, 25774, 38465, 41291, 64435, 76930, 82582, 128870, 206455, 289037, 412910, 578074, 1445185, 2023259, 2890370, 4046518, 10116295, 20232590]

約数ペア:

[(1, 20232590), (2, 10116295), (5, 4046518), (7, 2890370), (10, 2023259), (14, 1445185), (35, 578074), (49, 412910), (70, 289037), (98, 206455), (157, 128870), (245, 82582), (263, 76930), (314, 64435), (490, 41291), (526, 38465), (785, 25774), (1099, 18410), (1315, 15386), (1570, 12887), (1841, 10990), (2198, 9205), (2630, 7693), (3682, 5495)]