20403645

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59141}}^1$

素因数の和:59172

約数の個数: 16

約数和(自身を含む): 34065792

約数和(自身を除く): 13662147

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 59141, 177423, 295705, 887115, 1360243, 4080729, 6801215, 20403645]

約数ペア:

[(1, 20403645), (3, 6801215), (5, 4080729), (15, 1360243), (23, 887115), (69, 295705), (115, 177423), (345, 59141)]