20687048

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{136099}}^1$

素因数の和:136124

約数の個数: 16

約数和(自身を含む): 40830000

約数和(自身を除く): 20142952

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 136099, 272198, 544396, 1088792, 2585881, 5171762, 10343524, 20687048]

約数ペア:

[(1, 20687048), (2, 10343524), (4, 5171762), (8, 2585881), (19, 1088792), (38, 544396), (76, 272198), (152, 136099)]