20048132

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{631}}^1$

素因数の和:708

約数の個数: 36

約数和(自身を含む): 38860416

約数和(自身を除く): 18812284

約数列:

[1, 2, 4, 13, 26, 47, 52, 94, 169, 188, 338, 611, 631, 676, 1222, 1262, 2444, 2524, 7943, 8203, 15886, 16406, 29657, 31772, 32812, 59314, 106639, 118628, 213278, 385541, 426556, 771082, 1542164, 5012033, 10024066, 20048132]

約数ペア:

[(1, 20048132), (2, 10024066), (4, 5012033), (13, 1542164), (26, 771082), (47, 426556), (52, 385541), (94, 213278), (169, 118628), (188, 106639), (338, 59314), (611, 32812), (631, 31772), (676, 29657), (1222, 16406), (1262, 15886), (2444, 8203), (2524, 7943)]