20546790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{113}}^1$

素因数の和:182

約数の個数: 128

約数和(自身を含む): 59097600

約数和(自身を除く): 38550810

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 19, 22, 29, 30, 33, 38, 55, 57, 58, 66, 87, 95, 110, 113, 114, 145, 165, 174, 190, 209, 226, 285, 290, 319, 330, 339, 418, 435, 551, 565, 570, 627, 638, 678, 870, 957, 1045, 1102, 1130, 1243, 1254, 1595, 1653, 1695, 1914, 2090, 2147, 2486, 2755, 3135, 3190, 3277, 3306, 3390, 3729, 4294, 4785, 5510, 6061, 6215, 6270, 6441, 6554, 7458, 8265, 9570, 9831, 10735, 12122, 12430, 12882, 16385, 16530, 18183, 18645, 19662, 21470, 23617, 30305, 32205, 32770, 36047, 36366, 37290, 47234, 49155, 60610, 62263, 64410, 70851, 72094, 90915, 98310, 108141, 118085, 124526, 141702, 180235, 181830, 186789, 216282, 236170, 311315, 354255, 360470, 373578, 540705, 622630, 684893, 708510, 933945, 1081410, 1369786, 1867890, 2054679, 3424465, 4109358, 6848930, 10273395, 20546790]

約数ペア:

[(1, 20546790), (2, 10273395), (3, 6848930), (5, 4109358), (6, 3424465), (10, 2054679), (11, 1867890), (15, 1369786), (19, 1081410), (22, 933945), (29, 708510), (30, 684893), (33, 622630), (38, 540705), (55, 373578), (57, 360470), (58, 354255), (66, 311315), (87, 236170), (95, 216282), (110, 186789), (113, 181830), (114, 180235), (145, 141702), (165, 124526), (174, 118085), (190, 108141), (209, 98310), (226, 90915), (285, 72094), (290, 70851), (319, 64410), (330, 62263), (339, 60610), (418, 49155), (435, 47234), (551, 37290), (565, 36366), (570, 36047), (627, 32770), (638, 32205), (678, 30305), (870, 23617), (957, 21470), (1045, 19662), (1102, 18645), (1130, 18183), (1243, 16530), (1254, 16385), (1595, 12882), (1653, 12430), (1695, 12122), (1914, 10735), (2090, 9831), (2147, 9570), (2486, 8265), (2755, 7458), (3135, 6554), (3190, 6441), (3277, 6270), (3306, 6215), (3390, 6061), (3729, 5510), (4294, 4785)]