20895696

素因数分解:

$2^4\times 3^2\times {\mathrm{145109}}^1$

素因数の和:145123

約数の個数: 30

約数和(自身を含む): 58479330

約数和(自身を除く): 37583634

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 145109, 290218, 435327, 580436, 870654, 1160872, 1305981, 1741308, 2321744, 2611962, 3482616, 5223924, 6965232, 10447848, 20895696]

約数ペア:

[(1, 20895696), (2, 10447848), (3, 6965232), (4, 5223924), (6, 3482616), (8, 2611962), (9, 2321744), (12, 1741308), (16, 1305981), (18, 1160872), (24, 870654), (36, 580436), (48, 435327), (72, 290218), (144, 145109)]