20755395

素因数分解:

$3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{5557}}^1$

素因数の和:5651

約数の個数: 24

約数和(自身を含む): 36416016

約数和(自身を除く): 15660621

約数列:

[1, 3, 5, 9, 15, 45, 83, 249, 415, 747, 1245, 3735, 5557, 16671, 27785, 50013, 83355, 250065, 461231, 1383693, 2306155, 4151079, 6918465, 20755395]

約数ペア:

[(1, 20755395), (3, 6918465), (5, 4151079), (9, 2306155), (15, 1383693), (45, 461231), (83, 250065), (249, 83355), (415, 50013), (747, 27785), (1245, 16671), (3735, 5557)]