20252295

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{739}}^1$

素因数の和:789

約数の個数: 64

約数和(自身を含む): 42624000

約数和(自身を除く): 22371705

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 29, 35, 45, 63, 87, 105, 135, 145, 189, 203, 261, 315, 435, 609, 739, 783, 945, 1015, 1305, 1827, 2217, 3045, 3695, 3915, 5173, 5481, 6651, 9135, 11085, 15519, 19953, 21431, 25865, 27405, 33255, 46557, 64293, 77595, 99765, 107155, 139671, 150017, 192879, 232785, 321465, 450051, 578637, 698355, 750085, 964395, 1350153, 2250255, 2893185, 4050459, 6750765, 20252295]

約数ペア:

[(1, 20252295), (3, 6750765), (5, 4050459), (7, 2893185), (9, 2250255), (15, 1350153), (21, 964395), (27, 750085), (29, 698355), (35, 578637), (45, 450051), (63, 321465), (87, 232785), (105, 192879), (135, 150017), (145, 139671), (189, 107155), (203, 99765), (261, 77595), (315, 64293), (435, 46557), (609, 33255), (739, 27405), (783, 25865), (945, 21431), (1015, 19953), (1305, 15519), (1827, 11085), (2217, 9135), (3045, 6651), (3695, 5481), (3915, 5173)]