20797627072

素因数分解:

$2^6\times {\mathrm{131}}^1\times {\mathrm{251}}^1\times {\mathrm{9883}}^1$

素因数の和:10277

約数の個数: 56

約数和(自身を含む): 41755234752

約数和(自身を除く): 20957607680

約数列:

[1, 2, 4, 8, 16, 32, 64, 131, 251, 262, 502, 524, 1004, 1048, 2008, 2096, 4016, 4192, 8032, 8384, 9883, 16064, 19766, 32881, 39532, 65762, 79064, 131524, 158128, 263048, 316256, 526096, 632512, 1052192, 1294673, 2104384, 2480633, 2589346, 4961266, 5178692, 9922532, 10357384, 19845064, 20714768, 39690128, 41429536, 79380256, 82859072, 158760512, 324962923, 649925846, 1299851692, 2599703384, 5199406768, 10398813536, 20797627072]

約数ペア:

[(1, 20797627072), (2, 10398813536), (4, 5199406768), (8, 2599703384), (16, 1299851692), (32, 649925846), (64, 324962923), (131, 158760512), (251, 82859072), (262, 79380256), (502, 41429536), (524, 39690128), (1004, 20714768), (1048, 19845064), (2008, 10357384), (2096, 9922532), (4016, 5178692), (4192, 4961266), (8032, 2589346), (8384, 2480633), (9883, 2104384), (16064, 1294673), (19766, 1052192), (32881, 632512), (39532, 526096), (65762, 316256), (79064, 263048), (131524, 158128)]