20789475

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{5657}}^1$

素因数の和:5684

約数の個数: 36

約数和(自身を含む): 39990744

約数和(自身を除く): 19201269

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 49, 75, 105, 147, 175, 245, 525, 735, 1225, 3675, 5657, 16971, 28285, 39599, 84855, 118797, 141425, 197995, 277193, 424275, 593985, 831579, 989975, 1385965, 2969925, 4157895, 6929825, 20789475]

約数ペア:

[(1, 20789475), (3, 6929825), (5, 4157895), (7, 2969925), (15, 1385965), (21, 989975), (25, 831579), (35, 593985), (49, 424275), (75, 277193), (105, 197995), (147, 141425), (175, 118797), (245, 84855), (525, 39599), (735, 28285), (1225, 16971), (3675, 5657)]