20546955

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1$

素因数の和:169

約数の個数: 96

約数和(自身を含む): 43610112

約数和(自身を除く): 23063157

約数列:

[1, 3, 5, 9, 11, 13, 15, 31, 33, 39, 45, 55, 65, 93, 99, 103, 117, 143, 155, 165, 195, 279, 309, 341, 403, 429, 465, 495, 515, 585, 715, 927, 1023, 1133, 1209, 1287, 1339, 1395, 1545, 1705, 2015, 2145, 3069, 3193, 3399, 3627, 4017, 4433, 4635, 5115, 5665, 6045, 6435, 6695, 9579, 10197, 12051, 13299, 14729, 15345, 15965, 16995, 18135, 20085, 22165, 28737, 35123, 39897, 41509, 44187, 47895, 50985, 60255, 66495, 73645, 105369, 124527, 132561, 143685, 175615, 199485, 207545, 220935, 316107, 373581, 456599, 526845, 622635, 662805, 1369797, 1580535, 1867905, 2282995, 4109391, 6848985, 20546955]

約数ペア:

[(1, 20546955), (3, 6848985), (5, 4109391), (9, 2282995), (11, 1867905), (13, 1580535), (15, 1369797), (31, 662805), (33, 622635), (39, 526845), (45, 456599), (55, 373581), (65, 316107), (93, 220935), (99, 207545), (103, 199485), (117, 175615), (143, 143685), (155, 132561), (165, 124527), (195, 105369), (279, 73645), (309, 66495), (341, 60255), (403, 50985), (429, 47895), (465, 44187), (495, 41509), (515, 39897), (585, 35123), (715, 28737), (927, 22165), (1023, 20085), (1133, 18135), (1209, 16995), (1287, 15965), (1339, 15345), (1395, 14729), (1545, 13299), (1705, 12051), (2015, 10197), (2145, 9579), (3069, 6695), (3193, 6435), (3399, 6045), (3627, 5665), (4017, 5115), (4433, 4635)]