20341787905

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{367}}^1\times {\mathrm{3631}}^1$

素因数の和:4117

約数の個数: 32

約数和(自身を含む): 25405636608

約数和(自身を除く): 5063848703

約数列:

[1, 5, 43, 71, 215, 355, 367, 1835, 3053, 3631, 15265, 15781, 18155, 26057, 78905, 130285, 156133, 257801, 780665, 1120451, 1289005, 1332577, 5602255, 6662885, 11085443, 55427215, 57300811, 94612967, 286504055, 473064835, 4068357581, 20341787905]

約数ペア:

[(1, 20341787905), (5, 4068357581), (43, 473064835), (71, 286504055), (215, 94612967), (355, 57300811), (367, 55427215), (1835, 11085443), (3053, 6662885), (3631, 5602255), (15265, 1332577), (15781, 1289005), (18155, 1120451), (26057, 780665), (78905, 257801), (130285, 156133)]