20172521748

素因数分解:

$2^2\times 3^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{363941}}^1$

素因数の和:364128

約数の個数: 48

約数和(自身を含む): 48913804800

約数和(自身を除く): 28741283052

約数列:

[1, 2, 3, 4, 6, 12, 31, 62, 93, 124, 149, 186, 298, 372, 447, 596, 894, 1788, 4619, 9238, 13857, 18476, 27714, 55428, 363941, 727882, 1091823, 1455764, 2183646, 4367292, 11282171, 22564342, 33846513, 45128684, 54227209, 67693026, 108454418, 135386052, 162681627, 216908836, 325363254, 650726508, 1681043479, 3362086958, 5043130437, 6724173916, 10086260874, 20172521748]

約数ペア:

[(1, 20172521748), (2, 10086260874), (3, 6724173916), (4, 5043130437), (6, 3362086958), (12, 1681043479), (31, 650726508), (62, 325363254), (93, 216908836), (124, 162681627), (149, 135386052), (186, 108454418), (298, 67693026), (372, 54227209), (447, 45128684), (596, 33846513), (894, 22564342), (1788, 11282171), (4619, 4367292), (9238, 2183646), (13857, 1455764), (18476, 1091823), (27714, 727882), (55428, 363941)]