20030948

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1$

素因数の和:312

約数の個数: 48

約数和(自身を含む): 41631744

約数和(自身を除く): 21600796

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 127, 131, 172, 254, 262, 301, 508, 524, 602, 889, 917, 1204, 1778, 1834, 3556, 3668, 5461, 5633, 10922, 11266, 16637, 21844, 22532, 33274, 38227, 39431, 66548, 76454, 78862, 116459, 152908, 157724, 232918, 465836, 715391, 1430782, 2861564, 5007737, 10015474, 20030948]

約数ペア:

[(1, 20030948), (2, 10015474), (4, 5007737), (7, 2861564), (14, 1430782), (28, 715391), (43, 465836), (86, 232918), (127, 157724), (131, 152908), (172, 116459), (254, 78862), (262, 76454), (301, 66548), (508, 39431), (524, 38227), (602, 33274), (889, 22532), (917, 21844), (1204, 16637), (1778, 11266), (1834, 10922), (3556, 5633), (3668, 5461)]