20512695555

素因数分解:

$3^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{21617}}^1$

素因数の和:21719

約数の個数: 96

約数和(自身を含む): 40792647168

約数和(自身を除く): 20279951613

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 71, 81, 99, 135, 165, 213, 243, 297, 355, 405, 495, 639, 781, 891, 1065, 1215, 1485, 1917, 2343, 2673, 3195, 3905, 4455, 5751, 7029, 9585, 11715, 13365, 17253, 21087, 21617, 28755, 35145, 63261, 64851, 86265, 105435, 108085, 189783, 194553, 237787, 316305, 324255, 583659, 713361, 948915, 972765, 1188935, 1534807, 1750977, 2140083, 2918295, 3566805, 4604421, 5252931, 6420249, 7674035, 8754885, 10700415, 13813263, 16882877, 19260747, 23022105, 26264655, 32101245, 41439789, 50648631, 57782241, 69066315, 84414385, 96303735, 124319367, 151945893, 207198945, 253243155, 288911205, 372958101, 455837679, 621596835, 759729465, 1367513037, 1864790505, 2279188395, 4102539111, 6837565185, 20512695555]

約数ペア:

[(1, 20512695555), (3, 6837565185), (5, 4102539111), (9, 2279188395), (11, 1864790505), (15, 1367513037), (27, 759729465), (33, 621596835), (45, 455837679), (55, 372958101), (71, 288911205), (81, 253243155), (99, 207198945), (135, 151945893), (165, 124319367), (213, 96303735), (243, 84414385), (297, 69066315), (355, 57782241), (405, 50648631), (495, 41439789), (639, 32101245), (781, 26264655), (891, 23022105), (1065, 19260747), (1215, 16882877), (1485, 13813263), (1917, 10700415), (2343, 8754885), (2673, 7674035), (3195, 6420249), (3905, 5252931), (4455, 4604421), (5751, 3566805), (7029, 2918295), (9585, 2140083), (11715, 1750977), (13365, 1534807), (17253, 1188935), (21087, 972765), (21617, 948915), (28755, 713361), (35145, 583659), (63261, 324255), (64851, 316305), (86265, 237787), (105435, 194553), (108085, 189783)]