20609988

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{35051}}^1$

素因数の和:35072

約数の個数: 36

約数和(自身を含む): 55942992

約数和(自身を除く): 35333004

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 588, 35051, 70102, 105153, 140204, 210306, 245357, 420612, 490714, 736071, 981428, 1472142, 1717499, 2944284, 3434998, 5152497, 6869996, 10304994, 20609988]

約数ペア:

[(1, 20609988), (2, 10304994), (3, 6869996), (4, 5152497), (6, 3434998), (7, 2944284), (12, 1717499), (14, 1472142), (21, 981428), (28, 736071), (42, 490714), (49, 420612), (84, 245357), (98, 210306), (147, 140204), (196, 105153), (294, 70102), (588, 35051)]