20346720016

素因数分解:

$2^4\times 7^2\times {\mathrm{73}}^1\times {\mathrm{355513}}^1$

素因数の和:355608

約数の個数: 60

約数和(自身を含む): 46486299612

約数和(自身を除く): 26139579596

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 73, 98, 112, 146, 196, 292, 392, 511, 584, 784, 1022, 1168, 2044, 3577, 4088, 7154, 8176, 14308, 28616, 57232, 355513, 711026, 1422052, 2488591, 2844104, 4977182, 5688208, 9954364, 17420137, 19908728, 25952449, 34840274, 39817456, 51904898, 69680548, 103809796, 139361096, 181667143, 207619592, 278722192, 363334286, 415239184, 726668572, 1271670001, 1453337144, 2543340002, 2906674288, 5086680004, 10173360008, 20346720016]

約数ペア:

[(1, 20346720016), (2, 10173360008), (4, 5086680004), (7, 2906674288), (8, 2543340002), (14, 1453337144), (16, 1271670001), (28, 726668572), (49, 415239184), (56, 363334286), (73, 278722192), (98, 207619592), (112, 181667143), (146, 139361096), (196, 103809796), (292, 69680548), (392, 51904898), (511, 39817456), (584, 34840274), (784, 25952449), (1022, 19908728), (1168, 17420137), (2044, 9954364), (3577, 5688208), (4088, 4977182), (7154, 2844104), (8176, 2488591), (14308, 1422052), (28616, 711026), (57232, 355513)]