20847188

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{317}}^1\times {\mathrm{401}}^1$

素因数の和:763

約数の個数: 24

約数和(自身を含む): 37583784

約数和(自身を除く): 16736596

約数列:

[1, 2, 4, 41, 82, 164, 317, 401, 634, 802, 1268, 1604, 12997, 16441, 25994, 32882, 51988, 65764, 127117, 254234, 508468, 5211797, 10423594, 20847188]

約数ペア:

[(1, 20847188), (2, 10423594), (4, 5211797), (41, 508468), (82, 254234), (164, 127117), (317, 65764), (401, 51988), (634, 32882), (802, 25994), (1268, 16441), (1604, 12997)]