20894202

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{1193}}^1$

素因数の和:1347

約数の個数: 48

約数和(自身を含む): 52153920

約数和(自身を除く): 31259718

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 139, 278, 417, 834, 973, 1193, 1251, 1946, 2386, 2502, 2919, 3579, 5838, 7158, 8351, 8757, 10737, 16702, 17514, 21474, 25053, 50106, 75159, 150318, 165827, 331654, 497481, 994962, 1160789, 1492443, 2321578, 2984886, 3482367, 6964734, 10447101, 20894202]

約数ペア:

[(1, 20894202), (2, 10447101), (3, 6964734), (6, 3482367), (7, 2984886), (9, 2321578), (14, 1492443), (18, 1160789), (21, 994962), (42, 497481), (63, 331654), (126, 165827), (139, 150318), (278, 75159), (417, 50106), (834, 25053), (973, 21474), (1193, 17514), (1251, 16702), (1946, 10737), (2386, 8757), (2502, 8351), (2919, 7158), (3579, 5838)]