20121016995

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{3499}}^1\times {\mathrm{7517}}^1$

素因数の和:11044

約数の個数: 48

約数和(自身を含む): 36943452000

約数和(自身を除く): 16822435005

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 3499, 7517, 10497, 17495, 22551, 31491, 37585, 52485, 59483, 67653, 112755, 127789, 157455, 178449, 297415, 338265, 383367, 535347, 638945, 892245, 1150101, 1916835, 2676735, 5750505, 26301983, 78905949, 131509915, 236717847, 394529745, 447133711, 1183589235, 1341401133, 2235668555, 4024203399, 6707005665, 20121016995]

約数ペア:

[(1, 20121016995), (3, 6707005665), (5, 4024203399), (9, 2235668555), (15, 1341401133), (17, 1183589235), (45, 447133711), (51, 394529745), (85, 236717847), (153, 131509915), (255, 78905949), (765, 26301983), (3499, 5750505), (7517, 2676735), (10497, 1916835), (17495, 1150101), (22551, 892245), (31491, 638945), (37585, 535347), (52485, 383367), (59483, 338265), (67653, 297415), (112755, 178449), (127789, 157455)]