20171921044

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{829}}^1\times {\mathrm{7789}}^1$

素因数の和:8704

約数の個数: 48

約数和(自身を含む): 39104553600

約数和(自身を除く): 18932632556

約数列:

[1, 2, 4, 11, 22, 44, 71, 142, 284, 781, 829, 1562, 1658, 3124, 3316, 7789, 9119, 15578, 18238, 31156, 36476, 58859, 85679, 117718, 171358, 235436, 342716, 553019, 647449, 1106038, 1294898, 2212076, 2589796, 6083209, 6457081, 12166418, 12914162, 24332836, 25828324, 71027891, 142055782, 284111564, 458452751, 916905502, 1833811004, 5042980261, 10085960522, 20171921044]

約数ペア:

[(1, 20171921044), (2, 10085960522), (4, 5042980261), (11, 1833811004), (22, 916905502), (44, 458452751), (71, 284111564), (142, 142055782), (284, 71027891), (781, 25828324), (829, 24332836), (1562, 12914162), (1658, 12166418), (3124, 6457081), (3316, 6083209), (7789, 2589796), (9119, 2212076), (15578, 1294898), (18238, 1106038), (31156, 647449), (36476, 553019), (58859, 342716), (85679, 235436), (117718, 171358)]