20740388

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{3821}}^1$

素因数の和:3907

約数の個数: 24

約数和(自身を含む): 38525760

約数和(自身を除く): 17785372

約数列:

[1, 2, 4, 23, 46, 59, 92, 118, 236, 1357, 2714, 3821, 5428, 7642, 15284, 87883, 175766, 225439, 351532, 450878, 901756, 5185097, 10370194, 20740388]

約数ペア:

[(1, 20740388), (2, 10370194), (4, 5185097), (23, 901756), (46, 450878), (59, 351532), (92, 225439), (118, 175766), (236, 87883), (1357, 15284), (2714, 7642), (3821, 5428)]