20618208

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{5507}}^1$

素因数の和:5536

約数の個数: 72

約数和(自身を含む): 63154728

約数和(自身を除く): 42536520

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 72, 78, 96, 104, 117, 144, 156, 208, 234, 288, 312, 416, 468, 624, 936, 1248, 1872, 3744, 5507, 11014, 16521, 22028, 33042, 44056, 49563, 66084, 71591, 88112, 99126, 132168, 143182, 176224, 198252, 214773, 264336, 286364, 396504, 429546, 528672, 572728, 644319, 793008, 859092, 1145456, 1288638, 1586016, 1718184, 2290912, 2577276, 3436368, 5154552, 6872736, 10309104, 20618208]

約数ペア:

[(1, 20618208), (2, 10309104), (3, 6872736), (4, 5154552), (6, 3436368), (8, 2577276), (9, 2290912), (12, 1718184), (13, 1586016), (16, 1288638), (18, 1145456), (24, 859092), (26, 793008), (32, 644319), (36, 572728), (39, 528672), (48, 429546), (52, 396504), (72, 286364), (78, 264336), (96, 214773), (104, 198252), (117, 176224), (144, 143182), (156, 132168), (208, 99126), (234, 88112), (288, 71591), (312, 66084), (416, 49563), (468, 44056), (624, 33042), (936, 22028), (1248, 16521), (1872, 11014), (3744, 5507)]