20740503

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{1867}}^1$

素因数の和:1923

約数の個数: 24

約数和(自身を含む): 33056128

約数和(自身を除く): 12315625

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 529, 1587, 1867, 3703, 5601, 11109, 13069, 39207, 42941, 128823, 300587, 901761, 987643, 2962929, 6913501, 20740503]

約数ペア:

[(1, 20740503), (3, 6913501), (7, 2962929), (21, 987643), (23, 901761), (69, 300587), (161, 128823), (483, 42941), (529, 39207), (1587, 13069), (1867, 11109), (3703, 5601)]