20976456

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{293}}^1$

素因数の和:478

約数の個数: 64

約数和(自身を含む): 55742400

約数和(自身を除く): 34765944

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 76, 114, 152, 157, 228, 293, 314, 456, 471, 586, 628, 879, 942, 1172, 1256, 1758, 1884, 2344, 2983, 3516, 3768, 5567, 5966, 7032, 8949, 11134, 11932, 16701, 17898, 22268, 23864, 33402, 35796, 44536, 46001, 66804, 71592, 92002, 133608, 138003, 184004, 276006, 368008, 552012, 874019, 1104024, 1748038, 2622057, 3496076, 5244114, 6992152, 10488228, 20976456]

約数ペア:

[(1, 20976456), (2, 10488228), (3, 6992152), (4, 5244114), (6, 3496076), (8, 2622057), (12, 1748038), (19, 1104024), (24, 874019), (38, 552012), (57, 368008), (76, 276006), (114, 184004), (152, 138003), (157, 133608), (228, 92002), (293, 71592), (314, 66804), (456, 46001), (471, 44536), (586, 35796), (628, 33402), (879, 23864), (942, 22268), (1172, 17898), (1256, 16701), (1758, 11932), (1884, 11134), (2344, 8949), (2983, 7032), (3516, 5966), (3768, 5567)]