20159901245

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{381419}}^1$

素因数の和:381497

約数の個数: 24

約数和(自身を含む): 27270004320

約数和(自身を除く): 7110103075

約数列:

[1, 5, 11, 31, 55, 155, 341, 961, 1705, 4805, 10571, 52855, 381419, 1907095, 4195609, 11823989, 20978045, 59119945, 130063879, 366543659, 650319395, 1832718295, 4031980249, 20159901245]

約数ペア:

[(1, 20159901245), (5, 4031980249), (11, 1832718295), (31, 650319395), (55, 366543659), (155, 130063879), (341, 59119945), (961, 20978045), (1705, 11823989), (4805, 4195609), (10571, 1907095), (52855, 381419)]