20178018184

素因数分解:

$2^3\times {\mathrm{73}}^1\times {\mathrm{6421}}^1\times {\mathrm{5381}}^1$

素因数の和:11881

約数の個数: 32

約数和(自身を含む): 38365156440

約数和(自身を除く): 18187138256

約数列:

[1, 2, 4, 8, 73, 146, 292, 584, 5381, 6421, 10762, 12842, 21524, 25684, 43048, 51368, 392813, 468733, 785626, 937466, 1571252, 1874932, 3142504, 3749864, 34551401, 69102802, 138205604, 276411208, 2522252273, 5044504546, 10089009092, 20178018184]

約数ペア:

[(1, 20178018184), (2, 10089009092), (4, 5044504546), (8, 2522252273), (73, 276411208), (146, 138205604), (292, 69102802), (584, 34551401), (5381, 3749864), (6421, 3142504), (10762, 1874932), (12842, 1571252), (21524, 937466), (25684, 785626), (43048, 468733), (51368, 392813)]