16236980

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{13309}}^1$

素因数の和:13379

約数の個数: 24

約数和(自身を含む): 34659240

約数和(自身を除く): 18422260

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 13309, 26618, 53236, 66545, 133090, 266180, 811849, 1623698, 3247396, 4059245, 8118490, 16236980]

約数ペア:

[(1, 16236980), (2, 8118490), (4, 4059245), (5, 3247396), (10, 1623698), (20, 811849), (61, 266180), (122, 133090), (244, 66545), (305, 53236), (610, 26618), (1220, 13309)]