20486054

素因数分解:

$2^1\times {\mathrm{17}}^2\times {\mathrm{23}}^2\times {\mathrm{67}}^1$

素因数の和:149

約数の個数: 36

約数和(自身を含む): 34633284

約数和(自身を除く): 14147230

約数列:

[1, 2, 17, 23, 34, 46, 67, 134, 289, 391, 529, 578, 782, 1058, 1139, 1541, 2278, 3082, 6647, 8993, 13294, 17986, 19363, 26197, 35443, 38726, 52394, 70886, 152881, 305762, 445349, 602531, 890698, 1205062, 10243027, 20486054]

約数ペア:

[(1, 20486054), (2, 10243027), (17, 1205062), (23, 890698), (34, 602531), (46, 445349), (67, 305762), (134, 152881), (289, 70886), (391, 52394), (529, 38726), (578, 35443), (782, 26197), (1058, 19363), (1139, 17986), (1541, 13294), (2278, 8993), (3082, 6647)]