20216928248

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{661}}^1\times {\mathrm{347561}}^1$

素因数の和:348239

約数の個数: 32

約数和(自身を含む): 41415487920

約数和(自身を除く): 21198559672

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 661, 1322, 2644, 5288, 7271, 14542, 29084, 58168, 347561, 695122, 1390244, 2780488, 3823171, 7646342, 15292684, 30585368, 229737821, 459475642, 918951284, 1837902568, 2527116031, 5054232062, 10108464124, 20216928248]

約数ペア:

[(1, 20216928248), (2, 10108464124), (4, 5054232062), (8, 2527116031), (11, 1837902568), (22, 918951284), (44, 459475642), (88, 229737821), (661, 30585368), (1322, 15292684), (2644, 7646342), (5288, 3823171), (7271, 2780488), (14542, 1390244), (29084, 695122), (58168, 347561)]