20021544

素因数分解:

$2^3\times 3^2\times {\mathrm{487}}^1\times {\mathrm{571}}^1$

素因数の和:1070

約数の個数: 48

約数和(自身を含む): 54431520

約数和(自身を除く): 34409976

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 487, 571, 974, 1142, 1461, 1713, 1948, 2284, 2922, 3426, 3896, 4383, 4568, 5139, 5844, 6852, 8766, 10278, 11688, 13704, 17532, 20556, 35064, 41112, 278077, 556154, 834231, 1112308, 1668462, 2224616, 2502693, 3336924, 5005386, 6673848, 10010772, 20021544]

約数ペア:

[(1, 20021544), (2, 10010772), (3, 6673848), (4, 5005386), (6, 3336924), (8, 2502693), (9, 2224616), (12, 1668462), (18, 1112308), (24, 834231), (36, 556154), (72, 278077), (487, 41112), (571, 35064), (974, 20556), (1142, 17532), (1461, 13704), (1713, 11688), (1948, 10278), (2284, 8766), (2922, 6852), (3426, 5844), (3896, 5139), (4383, 4568)]