20867637

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{18749}}^1$

素因数の和:18812

約数の個数: 16

約数和(自身を含む): 32400000

約数和(自身を除く): 11532363

約数列:

[1, 3, 7, 21, 53, 159, 371, 1113, 18749, 56247, 131243, 393729, 993697, 2981091, 6955879, 20867637]

約数ペア:

[(1, 20867637), (3, 6955879), (7, 2981091), (21, 993697), (53, 393729), (159, 131243), (371, 56247), (1113, 18749)]