20470515

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{929}}^1$

素因数の和:1063

約数の個数: 32

約数和(自身を含む): 35622720

約数和(自身を除く): 15152205

約数列:

[1, 3, 5, 13, 15, 39, 65, 113, 195, 339, 565, 929, 1469, 1695, 2787, 4407, 4645, 7345, 12077, 13935, 22035, 36231, 60385, 104977, 181155, 314931, 524885, 1364701, 1574655, 4094103, 6823505, 20470515]

約数ペア:

[(1, 20470515), (3, 6823505), (5, 4094103), (13, 1574655), (15, 1364701), (39, 524885), (65, 314931), (113, 181155), (195, 104977), (339, 60385), (565, 36231), (929, 22035), (1469, 13935), (1695, 12077), (2787, 7345), (4407, 4645)]