20171781672

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{839}}^1\times {\mathrm{143111}}^1$

素因数の和:143966

約数の個数: 64

約数和(自身を含む): 57702758400

約数和(自身を除く): 37530976728

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 839, 1678, 2517, 3356, 5034, 5873, 6712, 10068, 11746, 17619, 20136, 23492, 35238, 46984, 70476, 140952, 143111, 286222, 429333, 572444, 858666, 1001777, 1144888, 1717332, 2003554, 3005331, 3434664, 4007108, 6010662, 8014216, 12021324, 24042648, 120070129, 240140258, 360210387, 480280516, 720420774, 840490903, 960561032, 1440841548, 1680981806, 2521472709, 2881683096, 3361963612, 5042945418, 6723927224, 10085890836, 20171781672]

約数ペア:

[(1, 20171781672), (2, 10085890836), (3, 6723927224), (4, 5042945418), (6, 3361963612), (7, 2881683096), (8, 2521472709), (12, 1680981806), (14, 1440841548), (21, 960561032), (24, 840490903), (28, 720420774), (42, 480280516), (56, 360210387), (84, 240140258), (168, 120070129), (839, 24042648), (1678, 12021324), (2517, 8014216), (3356, 6010662), (5034, 4007108), (5873, 3434664), (6712, 3005331), (10068, 2003554), (11746, 1717332), (17619, 1144888), (20136, 1001777), (23492, 858666), (35238, 572444), (46984, 429333), (70476, 286222), (140952, 143111)]