20120646

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{857}}^1$

素因数の和:925

約数の個数: 64

約数和(自身を含む): 50738688

約数和(自身を除く): 30618042

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 43, 78, 86, 91, 129, 182, 258, 273, 301, 546, 559, 602, 857, 903, 1118, 1677, 1714, 1806, 2571, 3354, 3913, 5142, 5999, 7826, 11141, 11739, 11998, 17997, 22282, 23478, 33423, 35994, 36851, 66846, 73702, 77987, 110553, 155974, 221106, 233961, 257957, 467922, 479063, 515914, 773871, 958126, 1437189, 1547742, 2874378, 3353441, 6706882, 10060323, 20120646]

約数ペア:

[(1, 20120646), (2, 10060323), (3, 6706882), (6, 3353441), (7, 2874378), (13, 1547742), (14, 1437189), (21, 958126), (26, 773871), (39, 515914), (42, 479063), (43, 467922), (78, 257957), (86, 233961), (91, 221106), (129, 155974), (182, 110553), (258, 77987), (273, 73702), (301, 66846), (546, 36851), (559, 35994), (602, 33423), (857, 23478), (903, 22282), (1118, 17997), (1677, 11998), (1714, 11739), (1806, 11141), (2571, 7826), (3354, 5999), (3913, 5142)]