20871402

素因数分解:

$2^1\times 3^1\times {\mathrm{137}}^1\times {\mathrm{25391}}^1$

素因数の和:25533

約数の個数: 16

約数和(自身を含む): 42049152

約数和(自身を除く): 21177750

約数列:

[1, 2, 3, 6, 137, 274, 411, 822, 25391, 50782, 76173, 152346, 3478567, 6957134, 10435701, 20871402]

約数ペア:

[(1, 20871402), (2, 10435701), (3, 6957134), (6, 3478567), (137, 152346), (274, 76173), (411, 50782), (822, 25391)]