20197528

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{14939}}^1$

素因数の和:14971

約数の個数: 24

約数和(自身を含む): 41010300

約数和(自身を除く): 20812772

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 338, 676, 1352, 14939, 29878, 59756, 119512, 194207, 388414, 776828, 1553656, 2524691, 5049382, 10098764, 20197528]

約数ペア:

[(1, 20197528), (2, 10098764), (4, 5049382), (8, 2524691), (13, 1553656), (26, 776828), (52, 388414), (104, 194207), (169, 119512), (338, 59756), (676, 29878), (1352, 14939)]