20787210

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{230969}}^1$

素因数の和:230982

約数の個数: 24

約数和(自身を含む): 54046980

約数和(自身を除く): 33259770

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 230969, 461938, 692907, 1154845, 1385814, 2078721, 2309690, 3464535, 4157442, 6929070, 10393605, 20787210]

約数ペア:

[(1, 20787210), (2, 10393605), (3, 6929070), (5, 4157442), (6, 3464535), (9, 2309690), (10, 2078721), (15, 1385814), (18, 1154845), (30, 692907), (45, 461938), (90, 230969)]