20196728652

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{557}}^1\times {\mathrm{70271}}^1$

素因数の和:70878

約数の個数: 48

約数和(自身を含む): 48308908032

約数和(自身を除く): 28112179380

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 516, 557, 1114, 1671, 2228, 3342, 6684, 23951, 47902, 70271, 71853, 95804, 140542, 143706, 210813, 281084, 287412, 421626, 843252, 3021653, 6043306, 9064959, 12086612, 18129918, 36259836, 39140947, 78281894, 117422841, 156563788, 234845682, 469691364, 1683060721, 3366121442, 5049182163, 6732242884, 10098364326, 20196728652]

約数ペア:

[(1, 20196728652), (2, 10098364326), (3, 6732242884), (4, 5049182163), (6, 3366121442), (12, 1683060721), (43, 469691364), (86, 234845682), (129, 156563788), (172, 117422841), (258, 78281894), (516, 39140947), (557, 36259836), (1114, 18129918), (1671, 12086612), (2228, 9064959), (3342, 6043306), (6684, 3021653), (23951, 843252), (47902, 421626), (70271, 287412), (71853, 281084), (95804, 210813), (140542, 143706)]