20005901139

素因数分解:

$3^1\times 7^1\times {\mathrm{40787}}^1\times {\mathrm{23357}}^1$

素因数の和:64154

約数の個数: 16

約数和(自身を含む): 30487235328

約数和(自身を除く): 10481334189

約数列:

[1, 3, 7, 21, 23357, 40787, 70071, 122361, 163499, 285509, 490497, 856527, 952661959, 2857985877, 6668633713, 20005901139]

約数ペア:

[(1, 20005901139), (3, 6668633713), (7, 2857985877), (21, 952661959), (23357, 856527), (40787, 490497), (70071, 285509), (122361, 163499)]