20206548

素因数分解:

$2^2\times 3^2\times {\mathrm{571}}^1\times {\mathrm{983}}^1$

素因数の和:1564

約数の個数: 36

約数和(自身を含む): 51219168

約数和(自身を除く): 31012620

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 571, 983, 1142, 1713, 1966, 2284, 2949, 3426, 3932, 5139, 5898, 6852, 8847, 10278, 11796, 17694, 20556, 35388, 561293, 1122586, 1683879, 2245172, 3367758, 5051637, 6735516, 10103274, 20206548]

約数ペア:

[(1, 20206548), (2, 10103274), (3, 6735516), (4, 5051637), (6, 3367758), (9, 2245172), (12, 1683879), (18, 1122586), (36, 561293), (571, 35388), (983, 20556), (1142, 17694), (1713, 11796), (1966, 10278), (2284, 8847), (2949, 6852), (3426, 5898), (3932, 5139)]