20165886715

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{179}}^1\times {\mathrm{15901}}^1$

素因数の和:16207

約数の個数: 32

約数和(自身を含む): 26448206400

約数和(自身を除く): 6282319685

約数列:

[1, 5, 13, 65, 109, 179, 545, 895, 1417, 2327, 7085, 11635, 15901, 19511, 79505, 97555, 206713, 253643, 1033565, 1268215, 1733209, 2846279, 8666045, 14231395, 22531717, 37001627, 112658585, 185008135, 310244411, 1551222055, 4033177343, 20165886715]

約数ペア:

[(1, 20165886715), (5, 4033177343), (13, 1551222055), (65, 310244411), (109, 185008135), (179, 112658585), (545, 37001627), (895, 22531717), (1417, 14231395), (2327, 8666045), (7085, 2846279), (11635, 1733209), (15901, 1268215), (19511, 1033565), (79505, 253643), (97555, 206713)]