20796825

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{5659}}^1$

素因数の和:5686

約数の個数: 36

約数和(自身を含む): 40004880

約数和(自身を除く): 19208055

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 49, 75, 105, 147, 175, 245, 525, 735, 1225, 3675, 5659, 16977, 28295, 39613, 84885, 118839, 141475, 198065, 277291, 424425, 594195, 831873, 990325, 1386455, 2970975, 4159365, 6932275, 20796825]

約数ペア:

[(1, 20796825), (3, 6932275), (5, 4159365), (7, 2970975), (15, 1386455), (21, 990325), (25, 831873), (35, 594195), (49, 424425), (75, 277291), (105, 198065), (147, 141475), (175, 118839), (245, 84885), (525, 39613), (735, 28295), (1225, 16977), (3675, 5659)]