20992641

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{1471}}^1$

素因数の和:1612

約数の個数: 16

約数和(自身を含む): 28827648

約数和(自身を除く): 7835007

約数列:

[1, 3, 67, 71, 201, 213, 1471, 4413, 4757, 14271, 98557, 104441, 295671, 313323, 6997547, 20992641]

約数ペア:

[(1, 20992641), (3, 6997547), (67, 313323), (71, 295671), (201, 104441), (213, 98557), (1471, 14271), (4413, 4757)]