20792207954

素因数分解:

$2^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{163}}^1\times {\mathrm{239}}^1\times {\mathrm{569}}^1$

素因数の和:1047

約数の個数: 64

約数和(自身を含む): 36614246400

約数和(自身を除く): 15822038446

約数列:

[1, 2, 7, 14, 67, 134, 163, 239, 326, 469, 478, 569, 938, 1138, 1141, 1673, 2282, 3346, 3983, 7966, 10921, 16013, 21842, 32026, 38123, 38957, 76246, 76447, 77914, 92747, 112091, 135991, 152894, 185494, 224182, 266861, 271982, 272699, 533722, 545398, 649229, 951937, 1298458, 1903874, 2610119, 5220238, 6214049, 9111397, 12428098, 18222794, 18270833, 22166533, 36541666, 43498343, 44333066, 63779779, 86996686, 127559558, 155165731, 310331462, 1485157711, 2970315422, 10396103977, 20792207954]

約数ペア:

[(1, 20792207954), (2, 10396103977), (7, 2970315422), (14, 1485157711), (67, 310331462), (134, 155165731), (163, 127559558), (239, 86996686), (326, 63779779), (469, 44333066), (478, 43498343), (569, 36541666), (938, 22166533), (1138, 18270833), (1141, 18222794), (1673, 12428098), (2282, 9111397), (3346, 6214049), (3983, 5220238), (7966, 2610119), (10921, 1903874), (16013, 1298458), (21842, 951937), (32026, 649229), (38123, 545398), (38957, 533722), (76246, 272699), (76447, 271982), (77914, 266861), (92747, 224182), (112091, 185494), (135991, 152894)]