20021130

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{1493}}^1$

素因数の和:1655

約数の個数: 48

約数和(自身を含む): 52439400

約数和(自身を除く): 32418270

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 149, 298, 447, 745, 894, 1341, 1490, 1493, 2235, 2682, 2986, 4470, 4479, 6705, 7465, 8958, 13410, 13437, 14930, 22395, 26874, 44790, 67185, 134370, 222457, 444914, 667371, 1112285, 1334742, 2002113, 2224570, 3336855, 4004226, 6673710, 10010565, 20021130]

約数ペア:

[(1, 20021130), (2, 10010565), (3, 6673710), (5, 4004226), (6, 3336855), (9, 2224570), (10, 2002113), (15, 1334742), (18, 1112285), (30, 667371), (45, 444914), (90, 222457), (149, 134370), (298, 67185), (447, 44790), (745, 26874), (894, 22395), (1341, 14930), (1490, 13437), (1493, 13410), (2235, 8958), (2682, 7465), (2986, 6705), (4470, 4479)]