20008974398

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{607}}^1\times {\mathrm{3221}}^1$

素因数の和:3897

約数の個数: 64

約数和(自身を含む): 37236215808

約数和(自身を除く): 17227241410

約数列:

[1, 2, 7, 14, 17, 34, 43, 86, 119, 238, 301, 602, 607, 731, 1214, 1462, 3221, 4249, 5117, 6442, 8498, 10234, 10319, 20638, 22547, 26101, 45094, 52202, 54757, 72233, 109514, 138503, 144466, 182707, 277006, 365414, 383299, 443717, 766598, 887434, 969521, 1939042, 1955147, 2354551, 3106019, 3910294, 4709102, 6212038, 13686029, 16481857, 27372058, 32963714, 33237499, 66474998, 84071321, 168142642, 232662493, 465324986, 588499247, 1176998494, 1429212457, 2858424914, 10004487199, 20008974398]

約数ペア:

[(1, 20008974398), (2, 10004487199), (7, 2858424914), (14, 1429212457), (17, 1176998494), (34, 588499247), (43, 465324986), (86, 232662493), (119, 168142642), (238, 84071321), (301, 66474998), (602, 33237499), (607, 32963714), (731, 27372058), (1214, 16481857), (1462, 13686029), (3221, 6212038), (4249, 4709102), (5117, 3910294), (6442, 3106019), (8498, 2354551), (10234, 1955147), (10319, 1939042), (20638, 969521), (22547, 887434), (26101, 766598), (45094, 443717), (52202, 383299), (54757, 365414), (72233, 277006), (109514, 182707), (138503, 144466)]