20812278

素因数分解:

$2^1\times 3^1\times {\mathrm{37}}^1\times {\mathrm{241}}^1\times {\mathrm{389}}^1$

素因数の和:672

約数の個数: 32

約数和(自身を含む): 43037280

約数和(自身を除く): 22225002

約数列:

[1, 2, 3, 6, 37, 74, 111, 222, 241, 389, 482, 723, 778, 1167, 1446, 2334, 8917, 14393, 17834, 26751, 28786, 43179, 53502, 86358, 93749, 187498, 281247, 562494, 3468713, 6937426, 10406139, 20812278]

約数ペア:

[(1, 20812278), (2, 10406139), (3, 6937426), (6, 3468713), (37, 562494), (74, 281247), (111, 187498), (222, 93749), (241, 86358), (389, 53502), (482, 43179), (723, 28786), (778, 26751), (1167, 17834), (1446, 14393), (2334, 8917)]