20643030

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{347}}^1\times {\mathrm{661}}^1$

素因数の和:1021

約数の個数: 48

約数和(自身を含む): 53907984

約数和(自身を除く): 33264954

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 347, 661, 694, 1041, 1322, 1735, 1983, 2082, 3123, 3305, 3470, 3966, 5205, 5949, 6246, 6610, 9915, 10410, 11898, 15615, 19830, 29745, 31230, 59490, 229367, 458734, 688101, 1146835, 1376202, 2064303, 2293670, 3440505, 4128606, 6881010, 10321515, 20643030]

約数ペア:

[(1, 20643030), (2, 10321515), (3, 6881010), (5, 4128606), (6, 3440505), (9, 2293670), (10, 2064303), (15, 1376202), (18, 1146835), (30, 688101), (45, 458734), (90, 229367), (347, 59490), (661, 31230), (694, 29745), (1041, 19830), (1322, 15615), (1735, 11898), (1983, 10410), (2082, 9915), (3123, 6610), (3305, 6246), (3470, 5949), (3966, 5205)]