20192728

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{101}}^1\times {\mathrm{373}}^1$

素因数の和:547

約数の個数: 32

約数和(自身を含む): 38910960

約数和(自身を除く): 18718232

約数列:

[1, 2, 4, 8, 67, 101, 134, 202, 268, 373, 404, 536, 746, 808, 1492, 2984, 6767, 13534, 24991, 27068, 37673, 49982, 54136, 75346, 99964, 150692, 199928, 301384, 2524091, 5048182, 10096364, 20192728]

約数ペア:

[(1, 20192728), (2, 10096364), (4, 5048182), (8, 2524091), (67, 301384), (101, 199928), (134, 150692), (202, 99964), (268, 75346), (373, 54136), (404, 49982), (536, 37673), (746, 27068), (808, 24991), (1492, 13534), (2984, 6767)]