20992480

素因数分解:

$2^5\times 5^1\times {\mathrm{131203}}^1$

素因数の和:131218

約数の個数: 24

約数和(自身を含む): 49595112

約数和(自身を除く): 28602632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 131203, 262406, 524812, 656015, 1049624, 1312030, 2099248, 2624060, 4198496, 5248120, 10496240, 20992480]

約数ペア:

[(1, 20992480), (2, 10496240), (4, 5248120), (5, 4198496), (8, 2624060), (10, 2099248), (16, 1312030), (20, 1049624), (32, 656015), (40, 524812), (80, 262406), (160, 131203)]