20259757

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{179}}^1$

素因数の和:265

約数の個数: 32

約数和(自身を含む): 26265600

約数和(自身を除く): 6005843

約数列:

[1, 7, 19, 23, 37, 133, 161, 179, 259, 437, 703, 851, 1253, 3059, 3401, 4117, 4921, 5957, 6623, 16169, 23807, 28819, 46361, 78223, 113183, 125837, 152329, 547561, 880859, 1066303, 2894251, 20259757]

約数ペア:

[(1, 20259757), (7, 2894251), (19, 1066303), (23, 880859), (37, 547561), (133, 152329), (161, 125837), (179, 113183), (259, 78223), (437, 46361), (703, 28819), (851, 23807), (1253, 16169), (3059, 6623), (3401, 5957), (4117, 4921)]