20912754

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{421}}^1\times {\mathrm{487}}^1$

素因数の和:930

約数の個数: 32

約数和(自身を含む): 44482176

約数和(自身を除く): 23569422

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 421, 487, 842, 974, 1263, 1461, 2526, 2922, 7157, 8279, 14314, 16558, 21471, 24837, 42942, 49674, 205027, 410054, 615081, 1230162, 3485459, 6970918, 10456377, 20912754]

約数ペア:

[(1, 20912754), (2, 10456377), (3, 6970918), (6, 3485459), (17, 1230162), (34, 615081), (51, 410054), (102, 205027), (421, 49674), (487, 42942), (842, 24837), (974, 21471), (1263, 16558), (1461, 14314), (2526, 8279), (2922, 7157)]