20740746656

素因数分解:

$2^5\times 7^2\times {\mathrm{227}}^1\times {\mathrm{58271}}^1$

素因数の和:58522

約数の個数: 72

約数和(自身を含む): 47710083456

約数和(自身を除く): 26969336800

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 196, 224, 227, 392, 454, 784, 908, 1568, 1589, 1816, 3178, 3632, 6356, 7264, 11123, 12712, 22246, 25424, 44492, 50848, 58271, 88984, 116542, 177968, 233084, 355936, 407897, 466168, 815794, 932336, 1631588, 1864672, 2855279, 3263176, 5710558, 6526352, 11421116, 13052704, 13227517, 22842232, 26455034, 45684464, 52910068, 91368928, 92592619, 105820136, 185185238, 211640272, 370370476, 423280544, 648148333, 740740952, 1296296666, 1481481904, 2592593332, 2962963808, 5185186664, 10370373328, 20740746656]

約数ペア:

[(1, 20740746656), (2, 10370373328), (4, 5185186664), (7, 2962963808), (8, 2592593332), (14, 1481481904), (16, 1296296666), (28, 740740952), (32, 648148333), (49, 423280544), (56, 370370476), (98, 211640272), (112, 185185238), (196, 105820136), (224, 92592619), (227, 91368928), (392, 52910068), (454, 45684464), (784, 26455034), (908, 22842232), (1568, 13227517), (1589, 13052704), (1816, 11421116), (3178, 6526352), (3632, 5710558), (6356, 3263176), (7264, 2855279), (11123, 1864672), (12712, 1631588), (22246, 932336), (25424, 815794), (44492, 466168), (50848, 407897), (58271, 355936), (88984, 233084), (116542, 177968)]