20429655

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{739}}^1$

素因数の和:863

約数の個数: 32

約数和(自身を含む): 34809600

約数和(自身を除く): 14379945

約数列:

[1, 3, 5, 15, 19, 57, 95, 97, 285, 291, 485, 739, 1455, 1843, 2217, 3695, 5529, 9215, 11085, 14041, 27645, 42123, 70205, 71683, 210615, 215049, 358415, 1075245, 1361977, 4085931, 6809885, 20429655]

約数ペア:

[(1, 20429655), (3, 6809885), (5, 4085931), (15, 1361977), (19, 1075245), (57, 358415), (95, 215049), (97, 210615), (285, 71683), (291, 70205), (485, 42123), (739, 27645), (1455, 14041), (1843, 11085), (2217, 9215), (3695, 5529)]