20802018558

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{401}}^1\times {\mathrm{455047}}^1$

素因数の和:455472

約数の個数: 32

約数和(自身を含む): 43903031040

約数和(自身を除く): 23101012482

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 401, 802, 1203, 2406, 7619, 15238, 22857, 45714, 455047, 910094, 1365141, 2730282, 8645893, 17291786, 25937679, 51875358, 182473847, 364947694, 547421541, 1094843082, 3467003093, 6934006186, 10401009279, 20802018558]

約数ペア:

[(1, 20802018558), (2, 10401009279), (3, 6934006186), (6, 3467003093), (19, 1094843082), (38, 547421541), (57, 364947694), (114, 182473847), (401, 51875358), (802, 25937679), (1203, 17291786), (2406, 8645893), (7619, 2730282), (15238, 1365141), (22857, 910094), (45714, 455047)]