20006955

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{15331}}^1$

素因数の和:15371

約数の個数: 24

約数和(自身を含む): 35876880

約数和(自身を除く): 15869925

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 261, 435, 1305, 15331, 45993, 76655, 137979, 229965, 444599, 689895, 1333797, 2222995, 4001391, 6668985, 20006955]

約数ペア:

[(1, 20006955), (3, 6668985), (5, 4001391), (9, 2222995), (15, 1333797), (29, 689895), (45, 444599), (87, 229965), (145, 137979), (261, 76655), (435, 45993), (1305, 15331)]