20147972

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{5783}}^1$

素因数の和:5867

約数の個数: 24

約数和(自身を含む): 38544576

約数和(自身を除く): 18396604

約数列:

[1, 2, 4, 13, 26, 52, 67, 134, 268, 871, 1742, 3484, 5783, 11566, 23132, 75179, 150358, 300716, 387461, 774922, 1549844, 5036993, 10073986, 20147972]

約数ペア:

[(1, 20147972), (2, 10073986), (4, 5036993), (13, 1549844), (26, 774922), (52, 387461), (67, 300716), (134, 150358), (268, 75179), (871, 23132), (1742, 11566), (3484, 5783)]