20173935980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{3571}}^1\times {\mathrm{25679}}^1$

素因数の和:29270

約数の個数: 48

約数和(自身を含む): 46231395840

約数和(自身を除く): 26057459860

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 3571, 7142, 14284, 17855, 25679, 35710, 39281, 51358, 71420, 78562, 102716, 128395, 157124, 196405, 256790, 282469, 392810, 513580, 564938, 785620, 1129876, 1412345, 2824690, 5649380, 91699709, 183399418, 366798836, 458498545, 916997090, 1008696799, 1833994180, 2017393598, 4034787196, 5043483995, 10086967990, 20173935980]

約数ペア:

[(1, 20173935980), (2, 10086967990), (4, 5043483995), (5, 4034787196), (10, 2017393598), (11, 1833994180), (20, 1008696799), (22, 916997090), (44, 458498545), (55, 366798836), (110, 183399418), (220, 91699709), (3571, 5649380), (7142, 2824690), (14284, 1412345), (17855, 1129876), (25679, 785620), (35710, 564938), (39281, 513580), (51358, 392810), (71420, 282469), (78562, 256790), (102716, 196405), (128395, 157124)]