20174679

素因数分解:

$3^2\times 7^1\times {\mathrm{431}}^1\times {\mathrm{743}}^1$

素因数の和:1187

約数の個数: 24

約数和(自身を含む): 33426432

約数和(自身を除く): 13251753

約数列:

[1, 3, 7, 9, 21, 63, 431, 743, 1293, 2229, 3017, 3879, 5201, 6687, 9051, 15603, 27153, 46809, 320233, 960699, 2241631, 2882097, 6724893, 20174679]

約数ペア:

[(1, 20174679), (3, 6724893), (7, 2882097), (9, 2241631), (21, 960699), (63, 320233), (431, 46809), (743, 27153), (1293, 15603), (2229, 9051), (3017, 6687), (3879, 5201)]