20862765

素因数分解:

$3^5\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1$

素因数の和:261

約数の個数: 96

約数和(自身を含む): 46964736

約数和(自身を除く): 26101971

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 27, 33, 35, 45, 55, 63, 77, 81, 99, 105, 135, 165, 189, 223, 231, 243, 297, 315, 385, 405, 495, 567, 669, 693, 891, 945, 1115, 1155, 1215, 1485, 1561, 1701, 2007, 2079, 2453, 2673, 2835, 3345, 3465, 4455, 4683, 6021, 6237, 7359, 7805, 8505, 10035, 10395, 12265, 13365, 14049, 17171, 18063, 18711, 22077, 23415, 30105, 31185, 36795, 42147, 51513, 54189, 66231, 70245, 85855, 90315, 93555, 110385, 126441, 154539, 198693, 210735, 257565, 270945, 331155, 379323, 463617, 596079, 632205, 772695, 993465, 1390851, 1896615, 2318085, 2980395, 4172553, 6954255, 20862765]

約数ペア:

[(1, 20862765), (3, 6954255), (5, 4172553), (7, 2980395), (9, 2318085), (11, 1896615), (15, 1390851), (21, 993465), (27, 772695), (33, 632205), (35, 596079), (45, 463617), (55, 379323), (63, 331155), (77, 270945), (81, 257565), (99, 210735), (105, 198693), (135, 154539), (165, 126441), (189, 110385), (223, 93555), (231, 90315), (243, 85855), (297, 70245), (315, 66231), (385, 54189), (405, 51513), (495, 42147), (567, 36795), (669, 31185), (693, 30105), (891, 23415), (945, 22077), (1115, 18711), (1155, 18063), (1215, 17171), (1485, 14049), (1561, 13365), (1701, 12265), (2007, 10395), (2079, 10035), (2453, 8505), (2673, 7805), (2835, 7359), (3345, 6237), (3465, 6021), (4455, 4683)]