20161824496

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{685963}}^1$

素因数の和:686149

約数の個数: 40

約数和(自身を含む): 42870006144

約数和(自身を除く): 22708181648

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 167, 176, 334, 668, 1336, 1837, 2672, 3674, 7348, 14696, 29392, 685963, 1371926, 2743852, 5487704, 7545593, 10975408, 15091186, 30182372, 60364744, 114555821, 120729488, 229111642, 458223284, 916446568, 1260114031, 1832893136, 2520228062, 5040456124, 10080912248, 20161824496]

約数ペア:

[(1, 20161824496), (2, 10080912248), (4, 5040456124), (8, 2520228062), (11, 1832893136), (16, 1260114031), (22, 916446568), (44, 458223284), (88, 229111642), (167, 120729488), (176, 114555821), (334, 60364744), (668, 30182372), (1336, 15091186), (1837, 10975408), (2672, 7545593), (3674, 5487704), (7348, 2743852), (14696, 1371926), (29392, 685963)]