20025507

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:279

約数の個数: 32

約数和(自身を含む): 29623104

約数和(自身を除く): 9597597

約数列:

[1, 3, 17, 41, 51, 61, 123, 157, 183, 471, 697, 1037, 2091, 2501, 2669, 3111, 6437, 7503, 8007, 9577, 19311, 28731, 42517, 109429, 127551, 162809, 328287, 392657, 488427, 1177971, 6675169, 20025507]

約数ペア:

[(1, 20025507), (3, 6675169), (17, 1177971), (41, 488427), (51, 392657), (61, 328287), (123, 162809), (157, 127551), (183, 109429), (471, 42517), (697, 28731), (1037, 19311), (2091, 9577), (2501, 8007), (2669, 7503), (3111, 6437)]