20121896410

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{839}}^1\times {\mathrm{31147}}^1$

素因数の和:32011

約数の個数: 64

約数和(自身を含む): 45211944960

約数和(自身を除く): 25090048550

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 839, 1678, 4195, 5873, 8390, 9229, 11746, 18458, 29365, 31147, 46145, 58730, 62294, 64603, 92290, 129206, 155735, 218029, 311470, 323015, 342617, 436058, 646030, 685234, 1090145, 1713085, 2180290, 2398319, 3426170, 4796638, 11991595, 23983190, 26132333, 52264666, 130661665, 182926331, 261323330, 287455663, 365852662, 574911326, 914631655, 1437278315, 1829263310, 2012189641, 2874556630, 4024379282, 10060948205, 20121896410]

約数ペア:

[(1, 20121896410), (2, 10060948205), (5, 4024379282), (7, 2874556630), (10, 2012189641), (11, 1829263310), (14, 1437278315), (22, 914631655), (35, 574911326), (55, 365852662), (70, 287455663), (77, 261323330), (110, 182926331), (154, 130661665), (385, 52264666), (770, 26132333), (839, 23983190), (1678, 11991595), (4195, 4796638), (5873, 3426170), (8390, 2398319), (9229, 2180290), (11746, 1713085), (18458, 1090145), (29365, 685234), (31147, 646030), (46145, 436058), (58730, 342617), (62294, 323015), (64603, 311470), (92290, 218029), (129206, 155735)]