20905176

素因数分解:

$2^3\times 3^1\times {\mathrm{421}}^1\times {\mathrm{2069}}^1$

素因数の和:2499

約数の個数: 32

約数和(自身を含む): 52412400

約数和(自身を除く): 31507224

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 421, 842, 1263, 1684, 2069, 2526, 3368, 4138, 5052, 6207, 8276, 10104, 12414, 16552, 24828, 49656, 871049, 1742098, 2613147, 3484196, 5226294, 6968392, 10452588, 20905176]

約数ペア:

[(1, 20905176), (2, 10452588), (3, 6968392), (4, 5226294), (6, 3484196), (8, 2613147), (12, 1742098), (24, 871049), (421, 49656), (842, 24828), (1263, 16552), (1684, 12414), (2069, 10104), (2526, 8276), (3368, 6207), (4138, 5052)]