20105640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{55849}}^1$

素因数の和:55866

約数の個数: 48

約数和(自身を含む): 65344500

約数和(自身を除く): 45238860

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 55849, 111698, 167547, 223396, 279245, 335094, 446792, 502641, 558490, 670188, 837735, 1005282, 1116980, 1340376, 1675470, 2010564, 2233960, 2513205, 3350940, 4021128, 5026410, 6701880, 10052820, 20105640]

約数ペア:

[(1, 20105640), (2, 10052820), (3, 6701880), (4, 5026410), (5, 4021128), (6, 3350940), (8, 2513205), (9, 2233960), (10, 2010564), (12, 1675470), (15, 1340376), (18, 1116980), (20, 1005282), (24, 837735), (30, 670188), (36, 558490), (40, 502641), (45, 446792), (60, 335094), (72, 279245), (90, 223396), (120, 167547), (180, 111698), (360, 55849)]