20124881456

素因数分解:

$2^4\times {\mathrm{10333}}^1\times {\mathrm{121727}}^1$

素因数の和:132068

約数の個数: 20

約数和(自身を含む): 38996051712

約数和(自身を除く): 18871170256

約数列:

[1, 2, 4, 8, 16, 10333, 20666, 41332, 82664, 121727, 165328, 243454, 486908, 973816, 1947632, 1257805091, 2515610182, 5031220364, 10062440728, 20124881456]

約数ペア:

[(1, 20124881456), (2, 10062440728), (4, 5031220364), (8, 2515610182), (16, 1257805091), (10333, 1947632), (20666, 973816), (41332, 486908), (82664, 243454), (121727, 165328)]