20355296

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{293}}^1$

素因数の和:483

約数の個数: 48

約数和(自身を含む): 43563744

約数和(自身を除く): 23208448

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 167, 208, 293, 334, 416, 586, 668, 1172, 1336, 2171, 2344, 2672, 3809, 4342, 4688, 5344, 7618, 8684, 9376, 15236, 17368, 30472, 34736, 48931, 60944, 69472, 97862, 121888, 195724, 391448, 636103, 782896, 1272206, 1565792, 2544412, 5088824, 10177648, 20355296]

約数ペア:

[(1, 20355296), (2, 10177648), (4, 5088824), (8, 2544412), (13, 1565792), (16, 1272206), (26, 782896), (32, 636103), (52, 391448), (104, 195724), (167, 121888), (208, 97862), (293, 69472), (334, 60944), (416, 48931), (586, 34736), (668, 30472), (1172, 17368), (1336, 15236), (2171, 9376), (2344, 8684), (2672, 7618), (3809, 5344), (4342, 4688)]