20732187

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{577}}^1$

素因数の和:675

約数の個数: 32

約数和(自身を含む): 33292800

約数和(自身を除く): 12560613

約数列:

[1, 3, 7, 21, 29, 59, 87, 177, 203, 413, 577, 609, 1239, 1711, 1731, 4039, 5133, 11977, 12117, 16733, 34043, 35931, 50199, 102129, 117131, 238301, 351393, 714903, 987247, 2961741, 6910729, 20732187]

約数ペア:

[(1, 20732187), (3, 6910729), (7, 2961741), (21, 987247), (29, 714903), (59, 351393), (87, 238301), (177, 117131), (203, 102129), (413, 50199), (577, 35931), (609, 34043), (1239, 16733), (1711, 12117), (1731, 11977), (4039, 5133)]