20138646550

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{342203}}^1$

素因数の和:342333

約数の個数: 48

約数和(自身を含む): 41245163712

約数和(自身を除く): 21106517162

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 107, 110, 214, 275, 535, 550, 1070, 1177, 2354, 2675, 5350, 5885, 11770, 29425, 58850, 342203, 684406, 1711015, 3422030, 3764233, 7528466, 8555075, 17110150, 18821165, 36615721, 37642330, 73231442, 94105825, 183078605, 188211650, 366157210, 402772931, 805545862, 915393025, 1830786050, 2013864655, 4027729310, 10069323275, 20138646550]

約数ペア:

[(1, 20138646550), (2, 10069323275), (5, 4027729310), (10, 2013864655), (11, 1830786050), (22, 915393025), (25, 805545862), (50, 402772931), (55, 366157210), (107, 188211650), (110, 183078605), (214, 94105825), (275, 73231442), (535, 37642330), (550, 36615721), (1070, 18821165), (1177, 17110150), (2354, 8555075), (2675, 7528466), (5350, 3764233), (5885, 3422030), (11770, 1711015), (29425, 684406), (58850, 342203)]