20868708

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{35491}}^1$

素因数の和:35512

約数の個数: 36

約数和(自身を含む): 56645232

約数和(自身を除く): 35776524

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 588, 35491, 70982, 106473, 141964, 212946, 248437, 425892, 496874, 745311, 993748, 1490622, 1739059, 2981244, 3478118, 5217177, 6956236, 10434354, 20868708]

約数ペア:

[(1, 20868708), (2, 10434354), (3, 6956236), (4, 5217177), (6, 3478118), (7, 2981244), (12, 1739059), (14, 1490622), (21, 993748), (28, 745311), (42, 496874), (49, 425892), (84, 248437), (98, 212946), (147, 141964), (196, 106473), (294, 70982), (588, 35491)]