20163974440

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{7099991}}^1$

素因数の和:7100073

約数の個数: 32

約数和(自身を含む): 46007948160

約数和(自身を除く): 25843973720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 7099991, 14199982, 28399964, 35499955, 56799928, 70999910, 141999820, 283999640, 504099361, 1008198722, 2016397444, 2520496805, 4032794888, 5040993610, 10081987220, 20163974440]

約数ペア:

[(1, 20163974440), (2, 10081987220), (4, 5040993610), (5, 4032794888), (8, 2520496805), (10, 2016397444), (20, 1008198722), (40, 504099361), (71, 283999640), (142, 141999820), (284, 70999910), (355, 56799928), (568, 35499955), (710, 28399964), (1420, 14199982), (2840, 7099991)]