20646060

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{5641}}^1$

素因数の和:5714

約数の個数: 48

約数和(自身を含む): 58767072

約数和(自身を除く): 38121012

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 122, 183, 244, 305, 366, 610, 732, 915, 1220, 1830, 3660, 5641, 11282, 16923, 22564, 28205, 33846, 56410, 67692, 84615, 112820, 169230, 338460, 344101, 688202, 1032303, 1376404, 1720505, 2064606, 3441010, 4129212, 5161515, 6882020, 10323030, 20646060]

約数ペア:

[(1, 20646060), (2, 10323030), (3, 6882020), (4, 5161515), (5, 4129212), (6, 3441010), (10, 2064606), (12, 1720505), (15, 1376404), (20, 1032303), (30, 688202), (60, 344101), (61, 338460), (122, 169230), (183, 112820), (244, 84615), (305, 67692), (366, 56410), (610, 33846), (732, 28205), (915, 22564), (1220, 16923), (1830, 11282), (3660, 5641)]