20227965779

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{45737}}^1$

素因数の和:45875

約数の個数: 32

約数和(自身を含む): 25080523776

約数和(自身を除く): 4852557997

約数列:

[1, 7, 23, 41, 67, 161, 287, 469, 943, 1541, 2747, 6601, 10787, 19229, 45737, 63181, 320159, 442267, 1051951, 1875217, 3064379, 7363657, 13126519, 21450653, 43129991, 70480717, 125639539, 301909937, 493365019, 879476773, 2889709397, 20227965779]

約数ペア:

[(1, 20227965779), (7, 2889709397), (23, 879476773), (41, 493365019), (67, 301909937), (161, 125639539), (287, 70480717), (469, 43129991), (943, 21450653), (1541, 13126519), (2747, 7363657), (6601, 3064379), (10787, 1875217), (19229, 1051951), (45737, 442267), (63181, 320159)]