20282895

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{19597}}^1$

素因数の和:19631

約数の個数: 24

約数和(自身を含む): 36687456

約数和(自身を除く): 16404561

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 1035, 19597, 58791, 97985, 176373, 293955, 450731, 881865, 1352193, 2253655, 4056579, 6760965, 20282895]

約数ペア:

[(1, 20282895), (3, 6760965), (5, 4056579), (9, 2253655), (15, 1352193), (23, 881865), (45, 450731), (69, 293955), (115, 176373), (207, 97985), (345, 58791), (1035, 19597)]