20782371882

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{331}}^1\times {\mathrm{1493}}^1$

素因数の和:2035

約数の個数: 64

約数和(自身を含む): 42950324736

約数和(自身を除く): 22167952854

約数列:

[1, 2, 3, 6, 43, 86, 129, 163, 258, 326, 331, 489, 662, 978, 993, 1493, 1986, 2986, 4479, 7009, 8958, 14018, 14233, 21027, 28466, 42054, 42699, 53953, 64199, 85398, 107906, 128398, 161859, 192597, 243359, 323718, 385194, 486718, 494183, 730077, 988366, 1460154, 1482549, 2319979, 2965098, 4639958, 6959937, 10464437, 13919874, 20928874, 21249869, 31393311, 42499738, 62786622, 63749607, 80551829, 127499214, 161103658, 241655487, 483310974, 3463728647, 6927457294, 10391185941, 20782371882]

約数ペア:

[(1, 20782371882), (2, 10391185941), (3, 6927457294), (6, 3463728647), (43, 483310974), (86, 241655487), (129, 161103658), (163, 127499214), (258, 80551829), (326, 63749607), (331, 62786622), (489, 42499738), (662, 31393311), (978, 21249869), (993, 20928874), (1493, 13919874), (1986, 10464437), (2986, 6959937), (4479, 4639958), (7009, 2965098), (8958, 2319979), (14018, 1482549), (14233, 1460154), (21027, 988366), (28466, 730077), (42054, 494183), (42699, 486718), (53953, 385194), (64199, 323718), (85398, 243359), (107906, 192597), (128398, 161859)]