20835516

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{5807}}^1$

素因数の和:5850

約数の個数: 48

約数和(自身を含む): 54641664

約数和(自身を除く): 33806148

約数列:

[1, 2, 3, 4, 6, 12, 13, 23, 26, 39, 46, 52, 69, 78, 92, 138, 156, 276, 299, 598, 897, 1196, 1794, 3588, 5807, 11614, 17421, 23228, 34842, 69684, 75491, 133561, 150982, 226473, 267122, 301964, 400683, 452946, 534244, 801366, 905892, 1602732, 1736293, 3472586, 5208879, 6945172, 10417758, 20835516]

約数ペア:

[(1, 20835516), (2, 10417758), (3, 6945172), (4, 5208879), (6, 3472586), (12, 1736293), (13, 1602732), (23, 905892), (26, 801366), (39, 534244), (46, 452946), (52, 400683), (69, 301964), (78, 267122), (92, 226473), (138, 150982), (156, 133561), (276, 75491), (299, 69684), (598, 34842), (897, 23228), (1196, 17421), (1794, 11614), (3588, 5807)]