20428434

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1303}}^1$

素因数の和:1391

約数の個数: 48

約数和(自身を含む): 48414912

約数和(自身を除く): 27986478

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 67, 78, 117, 134, 201, 234, 402, 603, 871, 1206, 1303, 1742, 2606, 2613, 3909, 5226, 7818, 7839, 11727, 15678, 16939, 23454, 33878, 50817, 87301, 101634, 152451, 174602, 261903, 304902, 523806, 785709, 1134913, 1571418, 2269826, 3404739, 6809478, 10214217, 20428434]

約数ペア:

[(1, 20428434), (2, 10214217), (3, 6809478), (6, 3404739), (9, 2269826), (13, 1571418), (18, 1134913), (26, 785709), (39, 523806), (67, 304902), (78, 261903), (117, 174602), (134, 152451), (201, 101634), (234, 87301), (402, 50817), (603, 33878), (871, 23454), (1206, 16939), (1303, 15678), (1742, 11727), (2606, 7839), (2613, 7818), (3909, 5226)]