20291616

素因数分解:

$2^5\times 3^2\times {\mathrm{70457}}^1$

素因数の和:70473

約数の個数: 36

約数和(自身を含む): 57705102

約数和(自身を除く): 37413486

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 70457, 140914, 211371, 281828, 422742, 563656, 634113, 845484, 1127312, 1268226, 1690968, 2254624, 2536452, 3381936, 5072904, 6763872, 10145808, 20291616]

約数ペア:

[(1, 20291616), (2, 10145808), (3, 6763872), (4, 5072904), (6, 3381936), (8, 2536452), (9, 2254624), (12, 1690968), (16, 1268226), (18, 1127312), (24, 845484), (32, 634113), (36, 563656), (48, 422742), (72, 281828), (96, 211371), (144, 140914), (288, 70457)]