16487320

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{17921}}^1$

素因数の和:17955

約数の個数: 32

約数和(自身を含む): 38711520

約数和(自身を除く): 22224200

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 17921, 35842, 71684, 89605, 143368, 179210, 358420, 412183, 716840, 824366, 1648732, 2060915, 3297464, 4121830, 8243660, 16487320]

約数ペア:

[(1, 16487320), (2, 8243660), (4, 4121830), (5, 3297464), (8, 2060915), (10, 1648732), (20, 824366), (23, 716840), (40, 412183), (46, 358420), (92, 179210), (115, 143368), (184, 89605), (230, 71684), (460, 35842), (920, 17921)]