20403030

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{641}}^1\times {\mathrm{1061}}^1$

素因数の和:1712

約数の個数: 32

約数和(自身を含む): 49089888

約数和(自身を除く): 28686858

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 641, 1061, 1282, 1923, 2122, 3183, 3205, 3846, 5305, 6366, 6410, 9615, 10610, 15915, 19230, 31830, 680101, 1360202, 2040303, 3400505, 4080606, 6801010, 10201515, 20403030]

約数ペア:

[(1, 20403030), (2, 10201515), (3, 6801010), (5, 4080606), (6, 3400505), (10, 2040303), (15, 1360202), (30, 680101), (641, 31830), (1061, 19230), (1282, 15915), (1923, 10610), (2122, 9615), (3183, 6410), (3205, 6366), (3846, 5305)]