20164544

素因数分解:

$2^6\times {\mathrm{509}}^1\times {\mathrm{619}}^1$

素因数の和:1140

約数の個数: 28

約数和(自身を含む): 40157400

約数和(自身を除く): 19992856

約数列:

[1, 2, 4, 8, 16, 32, 64, 509, 619, 1018, 1238, 2036, 2476, 4072, 4952, 8144, 9904, 16288, 19808, 32576, 39616, 315071, 630142, 1260284, 2520568, 5041136, 10082272, 20164544]

約数ペア:

[(1, 20164544), (2, 10082272), (4, 5041136), (8, 2520568), (16, 1260284), (32, 630142), (64, 315071), (509, 39616), (619, 32576), (1018, 19808), (1238, 16288), (2036, 9904), (2476, 8144), (4072, 4952)]