20745076

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{227}}^1$

素因数の和:340

約数の個数: 48

約数和(自身を含む): 41674752

約数和(自身を除く): 20929676

約数列:

[1, 2, 4, 11, 22, 31, 44, 62, 67, 124, 134, 227, 268, 341, 454, 682, 737, 908, 1364, 1474, 2077, 2497, 2948, 4154, 4994, 7037, 8308, 9988, 14074, 15209, 22847, 28148, 30418, 45694, 60836, 77407, 91388, 154814, 167299, 309628, 334598, 471479, 669196, 942958, 1885916, 5186269, 10372538, 20745076]

約数ペア:

[(1, 20745076), (2, 10372538), (4, 5186269), (11, 1885916), (22, 942958), (31, 669196), (44, 471479), (62, 334598), (67, 309628), (124, 167299), (134, 154814), (227, 91388), (268, 77407), (341, 60836), (454, 45694), (682, 30418), (737, 28148), (908, 22847), (1364, 15209), (1474, 14074), (2077, 9988), (2497, 8308), (2948, 7037), (4154, 4994)]