20159431355

素因数分解:

$5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{491}}^1\times {\mathrm{27281}}^1$

素因数の和:27827

約数の個数: 32

約数和(自身を含む): 28348835328

約数和(自身を除く): 8189403973

約数列:

[1, 5, 7, 35, 43, 215, 301, 491, 1505, 2455, 3437, 17185, 21113, 27281, 105565, 136405, 147791, 190967, 738955, 954835, 1173083, 5865415, 8211581, 13394971, 41057905, 66974855, 93764797, 468823985, 575983753, 2879918765, 4031886271, 20159431355]

約数ペア:

[(1, 20159431355), (5, 4031886271), (7, 2879918765), (35, 575983753), (43, 468823985), (215, 93764797), (301, 66974855), (491, 41057905), (1505, 13394971), (2455, 8211581), (3437, 5865415), (17185, 1173083), (21113, 954835), (27281, 738955), (105565, 190967), (136405, 147791)]