20880900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{23201}}^1$

素因数の和:23221

約数の個数: 54

約数和(自身を含む): 65452842

約数和(自身を除く): 44571942

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 150, 180, 225, 300, 450, 900, 23201, 46402, 69603, 92804, 116005, 139206, 208809, 232010, 278412, 348015, 417618, 464020, 580025, 696030, 835236, 1044045, 1160050, 1392060, 1740075, 2088090, 2320100, 3480150, 4176180, 5220225, 6960300, 10440450, 20880900]

約数ペア:

[(1, 20880900), (2, 10440450), (3, 6960300), (4, 5220225), (5, 4176180), (6, 3480150), (9, 2320100), (10, 2088090), (12, 1740075), (15, 1392060), (18, 1160050), (20, 1044045), (25, 835236), (30, 696030), (36, 580025), (45, 464020), (50, 417618), (60, 348015), (75, 278412), (90, 232010), (100, 208809), (150, 139206), (180, 116005), (225, 92804), (300, 69603), (450, 46402), (900, 23201)]