20194687904

素因数分解:

$2^5\times {\mathrm{71}}^1\times {\mathrm{8888507}}^1$

素因数の和:8888588

約数の個数: 24

約数和(自身を含む): 40318272288

約数和(自身を除く): 20123584384

約数列:

[1, 2, 4, 8, 16, 32, 71, 142, 284, 568, 1136, 2272, 8888507, 17777014, 35554028, 71108056, 142216112, 284432224, 631083997, 1262167994, 2524335988, 5048671976, 10097343952, 20194687904]

約数ペア:

[(1, 20194687904), (2, 10097343952), (4, 5048671976), (8, 2524335988), (16, 1262167994), (32, 631083997), (71, 284432224), (142, 142216112), (284, 71108056), (568, 35554028), (1136, 17777014), (2272, 8888507)]