20460993

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{13723}}^1$

素因数の和:13804

約数の個数: 16

約数和(自身を含む): 31620096

約数和(自身を除く): 11159103

約数列:

[1, 3, 7, 21, 71, 213, 497, 1491, 13723, 41169, 96061, 288183, 974333, 2922999, 6820331, 20460993]

約数ペア:

[(1, 20460993), (3, 6820331), (7, 2922999), (21, 974333), (71, 288183), (213, 96061), (497, 41169), (1491, 13723)]