20366845

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:285

約数の個数: 32

約数和(自身を含む): 27371520

約数和(自身を除く): 7004675

約数列:

[1, 5, 23, 29, 31, 115, 145, 155, 197, 667, 713, 899, 985, 3335, 3565, 4495, 4531, 5713, 6107, 20677, 22655, 28565, 30535, 103385, 131399, 140461, 177103, 656995, 702305, 885515, 4073369, 20366845]

約数ペア:

[(1, 20366845), (5, 4073369), (23, 885515), (29, 702305), (31, 656995), (115, 177103), (145, 140461), (155, 131399), (197, 103385), (667, 30535), (713, 28565), (899, 22655), (985, 20677), (3335, 6107), (3565, 5713), (4495, 4531)]