20174180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2503}}^1$

素因数の和:2556

約数の個数: 48

約数和(自身を含む): 47115264

約数和(自身を除く): 26941084

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 2503, 4030, 5006, 8060, 10012, 12515, 25030, 32539, 50060, 65078, 77593, 130156, 155186, 162695, 310372, 325390, 387965, 650780, 775930, 1008709, 1551860, 2017418, 4034836, 5043545, 10087090, 20174180]

約数ペア:

[(1, 20174180), (2, 10087090), (4, 5043545), (5, 4034836), (10, 2017418), (13, 1551860), (20, 1008709), (26, 775930), (31, 650780), (52, 387965), (62, 325390), (65, 310372), (124, 162695), (130, 155186), (155, 130156), (260, 77593), (310, 65078), (403, 50060), (620, 32539), (806, 25030), (1612, 12515), (2015, 10012), (2503, 8060), (4030, 5006)]