20251755

素因数分解:

$3^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{2239}}^1$

素因数の和:2320

約数の個数: 32

約数和(自身を含む): 36556800

約数和(自身を除く): 16305045

約数列:

[1, 3, 5, 9, 15, 27, 45, 67, 135, 201, 335, 603, 1005, 1809, 2239, 3015, 6717, 9045, 11195, 20151, 33585, 60453, 100755, 150013, 302265, 450039, 750065, 1350117, 2250195, 4050351, 6750585, 20251755]

約数ペア:

[(1, 20251755), (3, 6750585), (5, 4050351), (9, 2250195), (15, 1350117), (27, 750065), (45, 450039), (67, 302265), (135, 150013), (201, 100755), (335, 60453), (603, 33585), (1005, 20151), (1809, 11195), (2239, 9045), (3015, 6717)]