20438229

素因数分解:

$3^1\times 7^1\times {\mathrm{359}}^1\times {\mathrm{2711}}^1$

素因数の和:3080

約数の個数: 16

約数和(自身を含む): 31242240

約数和(自身を除く): 10804011

約数列:

[1, 3, 7, 21, 359, 1077, 2513, 2711, 7539, 8133, 18977, 56931, 973249, 2919747, 6812743, 20438229]

約数ペア:

[(1, 20438229), (3, 6812743), (7, 2919747), (21, 973249), (359, 56931), (1077, 18977), (2513, 8133), (2711, 7539)]