20899042

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{6781}}^1$

素因数の和:6873

約数の個数: 16

約数和(自身を含む): 33204672

約数和(自身を除く): 12305630

約数列:

[1, 2, 23, 46, 67, 134, 1541, 3082, 6781, 13562, 155963, 311926, 454327, 908654, 10449521, 20899042]

約数ペア:

[(1, 20899042), (2, 10449521), (23, 908654), (46, 454327), (67, 311926), (134, 155963), (1541, 13562), (3082, 6781)]