20005627970

素因数分解:

$2^1\times 5^1\times {\mathrm{397}}^1\times {\mathrm{653}}^1\times {\mathrm{7717}}^1$

素因数の和:8774

約数の個数: 32

約数和(自身を含む): 36160805808

約数和(自身を除く): 16155177838

約数列:

[1, 2, 5, 10, 397, 653, 794, 1306, 1985, 3265, 3970, 6530, 7717, 15434, 38585, 77170, 259241, 518482, 1296205, 2592410, 3063649, 5039201, 6127298, 10078402, 15318245, 25196005, 30636490, 50392010, 2000562797, 4001125594, 10002813985, 20005627970]

約数ペア:

[(1, 20005627970), (2, 10002813985), (5, 4001125594), (10, 2000562797), (397, 50392010), (653, 30636490), (794, 25196005), (1306, 15318245), (1985, 10078402), (3265, 6127298), (3970, 5039201), (6530, 3063649), (7717, 2592410), (15434, 1296205), (38585, 518482), (77170, 259241)]