20167408

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{433}}^1$

素因数の和:553

約数の個数: 40

約数和(自身を含む): 40684896

約数和(自身を除く): 20517488

約数列:

[1, 2, 4, 8, 16, 41, 71, 82, 142, 164, 284, 328, 433, 568, 656, 866, 1136, 1732, 2911, 3464, 5822, 6928, 11644, 17753, 23288, 30743, 35506, 46576, 61486, 71012, 122972, 142024, 245944, 284048, 491888, 1260463, 2520926, 5041852, 10083704, 20167408]

約数ペア:

[(1, 20167408), (2, 10083704), (4, 5041852), (8, 2520926), (16, 1260463), (41, 491888), (71, 284048), (82, 245944), (142, 142024), (164, 122972), (284, 71012), (328, 61486), (433, 46576), (568, 35506), (656, 30743), (866, 23288), (1136, 17753), (1732, 11644), (2911, 6928), (3464, 5822)]