20789929904

素因数分解:

$2^4\times {\mathrm{509}}^1\times {\mathrm{797}}^1\times {\mathrm{3203}}^1$

素因数の和:4517

約数の個数: 40

約数和(自身を含む): 40422881520

約数和(自身を除く): 19632951616

約数列:

[1, 2, 4, 8, 16, 509, 797, 1018, 1594, 2036, 3188, 3203, 4072, 6376, 6406, 8144, 12752, 12812, 25624, 51248, 405673, 811346, 1622692, 1630327, 2552791, 3245384, 3260654, 5105582, 6490768, 6521308, 10211164, 13042616, 20422328, 26085232, 40844656, 1299370619, 2598741238, 5197482476, 10394964952, 20789929904]

約数ペア:

[(1, 20789929904), (2, 10394964952), (4, 5197482476), (8, 2598741238), (16, 1299370619), (509, 40844656), (797, 26085232), (1018, 20422328), (1594, 13042616), (2036, 10211164), (3188, 6521308), (3203, 6490768), (4072, 5105582), (6376, 3260654), (6406, 3245384), (8144, 2552791), (12752, 1630327), (12812, 1622692), (25624, 811346), (51248, 405673)]