20378024065

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{647641}}^1$

素因数の和:647713

約数の個数: 32

約数和(自身を含む): 29843343360

約数和(自身を除く): 9465319295

約数列:

[1, 5, 7, 29, 31, 35, 145, 155, 203, 217, 899, 1015, 1085, 4495, 6293, 31465, 647641, 3238205, 4533487, 18781589, 20076871, 22667435, 93907945, 100384355, 131471123, 140538097, 582229259, 657355615, 702690485, 2911146295, 4075604813, 20378024065]

約数ペア:

[(1, 20378024065), (5, 4075604813), (7, 2911146295), (29, 702690485), (31, 657355615), (35, 582229259), (145, 140538097), (155, 131471123), (203, 100384355), (217, 93907945), (899, 22667435), (1015, 20076871), (1085, 18781589), (4495, 4533487), (6293, 3238205), (31465, 647641)]