20246205

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1$

素因数の和:214

約数の個数: 64

約数和(自身を含む): 39283200

約数和(自身を除く): 19036995

約数列:

[1, 3, 5, 7, 15, 21, 29, 35, 61, 87, 105, 109, 145, 183, 203, 305, 327, 427, 435, 545, 609, 763, 915, 1015, 1281, 1635, 1769, 2135, 2289, 3045, 3161, 3815, 5307, 6405, 6649, 8845, 9483, 11445, 12383, 15805, 19947, 22127, 26535, 33245, 37149, 46543, 47415, 61915, 66381, 99735, 110635, 139629, 185745, 192821, 232715, 331905, 578463, 698145, 964105, 1349747, 2892315, 4049241, 6748735, 20246205]

約数ペア:

[(1, 20246205), (3, 6748735), (5, 4049241), (7, 2892315), (15, 1349747), (21, 964105), (29, 698145), (35, 578463), (61, 331905), (87, 232715), (105, 192821), (109, 185745), (145, 139629), (183, 110635), (203, 99735), (305, 66381), (327, 61915), (427, 47415), (435, 46543), (545, 37149), (609, 33245), (763, 26535), (915, 22127), (1015, 19947), (1281, 15805), (1635, 12383), (1769, 11445), (2135, 9483), (2289, 8845), (3045, 6649), (3161, 6405), (3815, 5307)]