20051408

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{96401}}^1$

素因数の和:96422

約数の個数: 20

約数和(自身を含む): 41838468

約数和(自身を除く): 21787060

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 96401, 192802, 385604, 771208, 1253213, 1542416, 2506426, 5012852, 10025704, 20051408]

約数ペア:

[(1, 20051408), (2, 10025704), (4, 5012852), (8, 2506426), (13, 1542416), (16, 1253213), (26, 771208), (52, 385604), (104, 192802), (208, 96401)]