20458515

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17713}}^1$

素因数の和:17739

約数の個数: 32

約数和(自身を含む): 40813056

約数和(自身を除く): 20354541

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 165, 231, 385, 1155, 17713, 53139, 88565, 123991, 194843, 265695, 371973, 584529, 619955, 974215, 1363901, 1859865, 2922645, 4091703, 6819505, 20458515]

約数ペア:

[(1, 20458515), (3, 6819505), (5, 4091703), (7, 2922645), (11, 1859865), (15, 1363901), (21, 974215), (33, 619955), (35, 584529), (55, 371973), (77, 265695), (105, 194843), (165, 123991), (231, 88565), (385, 53139), (1155, 17713)]