20342227220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{891421}}^1$

素因数の和:891600

約数の個数: 48

約数和(自身を含む): 49120917888

約数和(自身を除く): 28778690668

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 163, 326, 652, 815, 1141, 1630, 2282, 3260, 4564, 5705, 11410, 22820, 891421, 1782842, 3565684, 4457105, 6239947, 8914210, 12479894, 17828420, 24959788, 31199735, 62399470, 124798940, 145301623, 290603246, 581206492, 726508115, 1017111361, 1453016230, 2034222722, 2906032460, 4068445444, 5085556805, 10171113610, 20342227220]

約数ペア:

[(1, 20342227220), (2, 10171113610), (4, 5085556805), (5, 4068445444), (7, 2906032460), (10, 2034222722), (14, 1453016230), (20, 1017111361), (28, 726508115), (35, 581206492), (70, 290603246), (140, 145301623), (163, 124798940), (326, 62399470), (652, 31199735), (815, 24959788), (1141, 17828420), (1630, 12479894), (2282, 8914210), (3260, 6239947), (4564, 4457105), (5705, 3565684), (11410, 1782842), (22820, 891421)]