20177783584

素因数分解:

$2^5\times 7^1\times {\mathrm{653}}^1\times {\mathrm{137947}}^1$

素因数の和:138617

約数の個数: 48

約数和(自身を含む): 45469867968

約数和(自身を除く): 25292084384

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 653, 1306, 2612, 4571, 5224, 9142, 10448, 18284, 20896, 36568, 73136, 137947, 146272, 275894, 551788, 965629, 1103576, 1931258, 2207152, 3862516, 4414304, 7725032, 15450064, 30900128, 90079391, 180158782, 360317564, 630555737, 720635128, 1261111474, 1441270256, 2522222948, 2882540512, 5044445896, 10088891792, 20177783584]

約数ペア:

[(1, 20177783584), (2, 10088891792), (4, 5044445896), (7, 2882540512), (8, 2522222948), (14, 1441270256), (16, 1261111474), (28, 720635128), (32, 630555737), (56, 360317564), (112, 180158782), (224, 90079391), (653, 30900128), (1306, 15450064), (2612, 7725032), (4571, 4414304), (5224, 3862516), (9142, 2207152), (10448, 1931258), (18284, 1103576), (20896, 965629), (36568, 551788), (73136, 275894), (137947, 146272)]