20441490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{641}}^1\times {\mathrm{1063}}^1$

素因数の和:1714

約数の個数: 32

約数和(自身を含む): 49182336

約数和(自身を除く): 28740846

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 641, 1063, 1282, 1923, 2126, 3189, 3205, 3846, 5315, 6378, 6410, 9615, 10630, 15945, 19230, 31890, 681383, 1362766, 2044149, 3406915, 4088298, 6813830, 10220745, 20441490]

約数ペア:

[(1, 20441490), (2, 10220745), (3, 6813830), (5, 4088298), (6, 3406915), (10, 2044149), (15, 1362766), (30, 681383), (641, 31890), (1063, 19230), (1282, 15945), (1923, 10630), (2126, 9615), (3189, 6410), (3205, 6378), (3846, 5315)]