20825142

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{853}}^1$

素因数の和:1184

約数の個数: 32

約数和(自身を含む): 45050208

約数和(自身を除く): 24225066

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 313, 626, 853, 939, 1706, 1878, 2559, 4069, 5118, 8138, 11089, 12207, 22178, 24414, 33267, 66534, 266989, 533978, 800967, 1601934, 3470857, 6941714, 10412571, 20825142]

約数ペア:

[(1, 20825142), (2, 10412571), (3, 6941714), (6, 3470857), (13, 1601934), (26, 800967), (39, 533978), (78, 266989), (313, 66534), (626, 33267), (853, 24414), (939, 22178), (1706, 12207), (1878, 11089), (2559, 8138), (4069, 5118)]