20281384

素因数分解:

$2^3\times {\mathrm{659}}^1\times {\mathrm{3847}}^1$

素因数の和:4512

約数の個数: 16

約数和(自身を含む): 38095200

約数和(自身を除く): 17813816

約数列:

[1, 2, 4, 8, 659, 1318, 2636, 3847, 5272, 7694, 15388, 30776, 2535173, 5070346, 10140692, 20281384]

約数ペア:

[(1, 20281384), (2, 10140692), (4, 5070346), (8, 2535173), (659, 30776), (1318, 15388), (2636, 7694), (3847, 5272)]