20179763864

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{1741}}^1\times {\mathrm{1889}}^1$

素因数の和:3708

約数の個数: 64

約数和(自身を含む): 41483988000

約数和(自身を除く): 21304224136

約数列:

[1, 2, 4, 8, 13, 26, 52, 59, 104, 118, 236, 472, 767, 1534, 1741, 1889, 3068, 3482, 3778, 6136, 6964, 7556, 13928, 15112, 22633, 24557, 45266, 49114, 90532, 98228, 102719, 111451, 181064, 196456, 205438, 222902, 410876, 445804, 821752, 891608, 1335347, 1448863, 2670694, 2897726, 3288749, 5341388, 5795452, 6577498, 10682776, 11590904, 13154996, 26309992, 42753737, 85507474, 171014948, 194036191, 342029896, 388072382, 776144764, 1552289528, 2522470483, 5044940966, 10089881932, 20179763864]

約数ペア:

[(1, 20179763864), (2, 10089881932), (4, 5044940966), (8, 2522470483), (13, 1552289528), (26, 776144764), (52, 388072382), (59, 342029896), (104, 194036191), (118, 171014948), (236, 85507474), (472, 42753737), (767, 26309992), (1534, 13154996), (1741, 11590904), (1889, 10682776), (3068, 6577498), (3482, 5795452), (3778, 5341388), (6136, 3288749), (6964, 2897726), (7556, 2670694), (13928, 1448863), (15112, 1335347), (22633, 891608), (24557, 821752), (45266, 445804), (49114, 410876), (90532, 222902), (98228, 205438), (102719, 196456), (111451, 181064)]