20559308

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{66751}}^1$

素因数の和:66773

約数の個数: 24

約数和(自身を含む): 44857344

約数和(自身を除く): 24298036

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 66751, 133502, 267004, 467257, 734261, 934514, 1468522, 1869028, 2937044, 5139827, 10279654, 20559308]

約数ペア:

[(1, 20559308), (2, 10279654), (4, 5139827), (7, 2937044), (11, 1869028), (14, 1468522), (22, 934514), (28, 734261), (44, 467257), (77, 267004), (154, 133502), (308, 66751)]