20452971

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{2393}}^1$

素因数の和:2451

約数の個数: 32

約数和(自身を含む): 34933248

約数和(自身を除く): 14480277

約数列:

[1, 3, 7, 11, 21, 33, 37, 77, 111, 231, 259, 407, 777, 1221, 2393, 2849, 7179, 8547, 16751, 26323, 50253, 78969, 88541, 184261, 265623, 552783, 619787, 973951, 1859361, 2921853, 6817657, 20452971]

約数ペア:

[(1, 20452971), (3, 6817657), (7, 2921853), (11, 1859361), (21, 973951), (33, 619787), (37, 552783), (77, 265623), (111, 184261), (231, 88541), (259, 78969), (407, 50253), (777, 26323), (1221, 16751), (2393, 8547), (2849, 7179)]