31995012

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{20047}}^1$

素因数の和:20080

約数の個数: 48

約数和(自身を含む): 89815040

約数和(自身を除く): 57820028

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 38, 42, 57, 76, 84, 114, 133, 228, 266, 399, 532, 798, 1596, 20047, 40094, 60141, 80188, 120282, 140329, 240564, 280658, 380893, 420987, 561316, 761786, 841974, 1142679, 1523572, 1683948, 2285358, 2666251, 4570716, 5332502, 7998753, 10665004, 15997506, 31995012]

約数ペア:

[(1, 31995012), (2, 15997506), (3, 10665004), (4, 7998753), (6, 5332502), (7, 4570716), (12, 2666251), (14, 2285358), (19, 1683948), (21, 1523572), (28, 1142679), (38, 841974), (42, 761786), (57, 561316), (76, 420987), (84, 380893), (114, 280658), (133, 240564), (228, 140329), (266, 120282), (399, 80188), (532, 60141), (798, 40094), (1596, 20047)]