20010828

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{72503}}^1$

素因数の和:72533

約数の個数: 24

約数和(自身を含む): 48722688

約数和(自身を除く): 28711860

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 138, 276, 72503, 145006, 217509, 290012, 435018, 870036, 1667569, 3335138, 5002707, 6670276, 10005414, 20010828]

約数ペア:

[(1, 20010828), (2, 10005414), (3, 6670276), (4, 5002707), (6, 3335138), (12, 1667569), (23, 870036), (46, 435018), (69, 290012), (92, 217509), (138, 145006), (276, 72503)]