20213633559

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{281}}^1\times {\mathrm{148933}}^1$

素因数の和:149247

約数の個数: 32

約数和(自身を含む): 32255529984

約数和(自身を除く): 12041896425

約数列:

[1, 3, 7, 21, 23, 69, 161, 281, 483, 843, 1967, 5901, 6463, 19389, 45241, 135723, 148933, 446799, 1042531, 3127593, 3425459, 10276377, 23978213, 41850173, 71934639, 125550519, 292951211, 878853633, 962553979, 2887661937, 6737877853, 20213633559]

約数ペア:

[(1, 20213633559), (3, 6737877853), (7, 2887661937), (21, 962553979), (23, 878853633), (69, 292951211), (161, 125550519), (281, 71934639), (483, 41850173), (843, 23978213), (1967, 10276377), (5901, 3425459), (6463, 3127593), (19389, 1042531), (45241, 446799), (135723, 148933)]