20397376

素因数分解:

$2^6\times {\mathrm{89}}^1\times {\mathrm{3581}}^1$

素因数の和:3682

約数の個数: 28

約数和(自身を含む): 40942260

約数和(自身を除く): 20544884

約数列:

[1, 2, 4, 8, 16, 32, 64, 89, 178, 356, 712, 1424, 2848, 3581, 5696, 7162, 14324, 28648, 57296, 114592, 229184, 318709, 637418, 1274836, 2549672, 5099344, 10198688, 20397376]

約数ペア:

[(1, 20397376), (2, 10198688), (4, 5099344), (8, 2549672), (16, 1274836), (32, 637418), (64, 318709), (89, 229184), (178, 114592), (356, 57296), (712, 28648), (1424, 14324), (2848, 7162), (3581, 5696)]