20027910

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{283}}^1\times {\mathrm{337}}^1$

素因数の和:637

約数の個数: 64

約数和(自身を含む): 55291392

約数和(自身を除く): 35263482

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 283, 337, 566, 674, 849, 1011, 1415, 1685, 1698, 1981, 2022, 2359, 2830, 3370, 3962, 4245, 4718, 5055, 5943, 7077, 8490, 9905, 10110, 11795, 11886, 14154, 19810, 23590, 29715, 35385, 59430, 70770, 95371, 190742, 286113, 476855, 572226, 667597, 953710, 1335194, 1430565, 2002791, 2861130, 3337985, 4005582, 6675970, 10013955, 20027910]

約数ペア:

[(1, 20027910), (2, 10013955), (3, 6675970), (5, 4005582), (6, 3337985), (7, 2861130), (10, 2002791), (14, 1430565), (15, 1335194), (21, 953710), (30, 667597), (35, 572226), (42, 476855), (70, 286113), (105, 190742), (210, 95371), (283, 70770), (337, 59430), (566, 35385), (674, 29715), (849, 23590), (1011, 19810), (1415, 14154), (1685, 11886), (1698, 11795), (1981, 10110), (2022, 9905), (2359, 8490), (2830, 7077), (3370, 5943), (3962, 5055), (4245, 4718)]