20436995

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{2503}}^1$

素因数の和:2602

約数の個数: 16

約数和(自身を含む): 25961472

約数和(自身を除く): 5524477

約数列:

[1, 5, 23, 71, 115, 355, 1633, 2503, 8165, 12515, 57569, 177713, 287845, 888565, 4087399, 20436995]

約数ペア:

[(1, 20436995), (5, 4087399), (23, 888565), (71, 287845), (115, 177713), (355, 57569), (1633, 12515), (2503, 8165)]