20120642630

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{167}}^1\times {\mathrm{7351}}^1$

素因数の和:7685

約数の個数: 64

約数和(自身を含む): 40018406400

約数和(自身を除く): 19897763770

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 149, 167, 298, 334, 745, 835, 1490, 1639, 1670, 1837, 3278, 3674, 7351, 8195, 9185, 14702, 16390, 18370, 24883, 36755, 49766, 73510, 80861, 124415, 161722, 248830, 273713, 404305, 547426, 808610, 1095299, 1227617, 1368565, 2190598, 2455234, 2737130, 5476495, 6138085, 10952990, 12048289, 12276170, 13503787, 24096578, 27007574, 60241445, 67518935, 120482890, 135037870, 182914933, 365829866, 914574665, 1829149330, 2012064263, 4024128526, 10060321315, 20120642630]

約数ペア:

[(1, 20120642630), (2, 10060321315), (5, 4024128526), (10, 2012064263), (11, 1829149330), (22, 914574665), (55, 365829866), (110, 182914933), (149, 135037870), (167, 120482890), (298, 67518935), (334, 60241445), (745, 27007574), (835, 24096578), (1490, 13503787), (1639, 12276170), (1670, 12048289), (1837, 10952990), (3278, 6138085), (3674, 5476495), (7351, 2737130), (8195, 2455234), (9185, 2190598), (14702, 1368565), (16390, 1227617), (18370, 1095299), (24883, 808610), (36755, 547426), (49766, 404305), (73510, 273713), (80861, 248830), (124415, 161722)]