20203491

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{7951}}^1$

素因数の和:7983

約数の個数: 24

約数和(自身を含む): 33843712

約数和(自身を除く): 13640221

約数列:

[1, 3, 7, 11, 21, 33, 77, 121, 231, 363, 847, 2541, 7951, 23853, 55657, 87461, 166971, 262383, 612227, 962071, 1836681, 2886213, 6734497, 20203491]

約数ペア:

[(1, 20203491), (3, 6734497), (7, 2886213), (11, 1836681), (21, 962071), (33, 612227), (77, 262383), (121, 166971), (231, 87461), (363, 55657), (847, 23853), (2541, 7951)]