20657934784

素因数分解:

$2^6\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{102829}}^1$

素因数の和:102957

約数の個数: 56

約数和(自身を含む): 42521438960

約数和(自身を除く): 21863504176

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 73, 86, 146, 172, 292, 344, 584, 688, 1168, 1376, 2336, 2752, 3139, 4672, 6278, 12556, 25112, 50224, 100448, 102829, 200896, 205658, 411316, 822632, 1645264, 3290528, 4421647, 6581056, 7506517, 8843294, 15013034, 17686588, 30026068, 35373176, 60052136, 70746352, 120104272, 141492704, 240208544, 282985408, 322780231, 480417088, 645560462, 1291120924, 2582241848, 5164483696, 10328967392, 20657934784]

約数ペア:

[(1, 20657934784), (2, 10328967392), (4, 5164483696), (8, 2582241848), (16, 1291120924), (32, 645560462), (43, 480417088), (64, 322780231), (73, 282985408), (86, 240208544), (146, 141492704), (172, 120104272), (292, 70746352), (344, 60052136), (584, 35373176), (688, 30026068), (1168, 17686588), (1376, 15013034), (2336, 8843294), (2752, 7506517), (3139, 6581056), (4672, 4421647), (6278, 3290528), (12556, 1645264), (25112, 822632), (50224, 411316), (100448, 205658), (102829, 200896)]