20386348

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{197}}^1\times {\mathrm{631}}^1$

素因数の和:873

約数の個数: 24

約数和(自身を含む): 36789984

約数和(自身を除く): 16403636

約数列:

[1, 2, 4, 41, 82, 164, 197, 394, 631, 788, 1262, 2524, 8077, 16154, 25871, 32308, 51742, 103484, 124307, 248614, 497228, 5096587, 10193174, 20386348]

約数ペア:

[(1, 20386348), (2, 10193174), (4, 5096587), (41, 497228), (82, 248614), (164, 124307), (197, 103484), (394, 51742), (631, 32308), (788, 25871), (1262, 16154), (2524, 8077)]